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Finding the Third Proportional to 15,988,114.13 and 35,164,141.88

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Solution

The third proportional to 15,988,114.13 and 35,164,141.88 is: 77,339,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988,114.13 : 35,164,141.88 = 35,164,141.88 : x
  2. Step 2: Convert to fraction form
    15,988,114.13/35,164,141.88 = 35,164,141.88/x
  3. Step 3: Cross multiply
    15,988,114.13x = 35,164,141.88 × 35,164,141.88
  4. Step 4: Simplify right side
    15,988,114.13x = 1,236,516,873,805,128.50
  5. Step 5: Solve for x
    x = 1,236,516,873,805,128.50/15,988,114.13
  6. Step 6: Final answer
    x = 77,339,757.78

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.