Home / 149,649,138,526.12-309,905,931,569.62

Finding the Third Proportional to 149,649,138,526.12 and 309,905,931,569.62

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Solution

The third proportional to 149,649,138,526.12 and 309,905,931,569.62 is: 641,779,079,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,649,138,526.12 : 309,905,931,569.62 = 309,905,931,569.62 : x
  2. Step 2: Convert to fraction form
    149,649,138,526.12/309,905,931,569.62 = 309,905,931,569.62/x
  3. Step 3: Cross multiply
    149,649,138,526.12x = 309,905,931,569.62 × 309,905,931,569.62
  4. Step 4: Simplify right side
    149,649,138,526.12x = 96,041,686,422,033,990,156,288
  5. Step 5: Solve for x
    x = 96,041,686,422,033,990,156,288/149,649,138,526.12
  6. Step 6: Final answer
    x = 641,779,079,839.28

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.