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Finding the Third Proportional to 1,429,960,081.50 and 3,079,039,783.50

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Solution

The third proportional to 1,429,960,081.50 and 3,079,039,783.50 is: 6,629,895,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,960,081.50 : 3,079,039,783.50 = 3,079,039,783.50 : x
  2. Step 2: Convert to fraction form
    1,429,960,081.50/3,079,039,783.50 = 3,079,039,783.50/x
  3. Step 3: Cross multiply
    1,429,960,081.50x = 3,079,039,783.50 × 3,079,039,783.50
  4. Step 4: Simplify right side
    1,429,960,081.50x = 9,480,485,988,375,726,080
  5. Step 5: Solve for x
    x = 9,480,485,988,375,726,080/1,429,960,081.50
  6. Step 6: Final answer
    x = 6,629,895,555.15

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.