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Finding the Third Proportional to 15,205,860 and 31,489,042

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Solution

The third proportional to 15,205,860 and 31,489,042 is: 65,209,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205,860 : 31,489,042 = 31,489,042 : x
  2. Step 2: Convert to fraction form
    15,205,860/31,489,042 = 31,489,042/x
  3. Step 3: Cross multiply
    15,205,860x = 31,489,042 × 31,489,042
  4. Step 4: Simplify right side
    15,205,860x = 991,559,766,077,764
  5. Step 5: Solve for x
    x = 991,559,766,077,764/15,205,860
  6. Step 6: Final answer
    x = 65,209,055.33

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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.