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Finding the Third Proportional to 67,909,595 and 147,303,287

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Solution

The third proportional to 67,909,595 and 147,303,287 is: 319,516,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,909,595 : 147,303,287 = 147,303,287 : x
  2. Step 2: Convert to fraction form
    67,909,595/147,303,287 = 147,303,287/x
  3. Step 3: Cross multiply
    67,909,595x = 147,303,287 × 147,303,287
  4. Step 4: Simplify right side
    67,909,595x = 21,698,258,361,004,368
  5. Step 5: Solve for x
    x = 21,698,258,361,004,368/67,909,595
  6. Step 6: Final answer
    x = 319,516,827.64

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.