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Finding the Third Proportional to 20,042,076 and 42,918,505

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Solution

The third proportional to 20,042,076 and 42,918,505 is: 91,906,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042,076 : 42,918,505 = 42,918,505 : x
  2. Step 2: Convert to fraction form
    20,042,076/42,918,505 = 42,918,505/x
  3. Step 3: Cross multiply
    20,042,076x = 42,918,505 × 42,918,505
  4. Step 4: Simplify right side
    20,042,076x = 1,841,998,071,435,025
  5. Step 5: Solve for x
    x = 1,841,998,071,435,025/20,042,076
  6. Step 6: Final answer
    x = 91,906,550.57

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.