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Finding the Third Proportional to 20,873,481 and 28,842,636

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Solution

The third proportional to 20,873,481 and 28,842,636 is: 39,854,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,873,481 : 28,842,636 = 28,842,636 : x
  2. Step 2: Convert to fraction form
    20,873,481/28,842,636 = 28,842,636/x
  3. Step 3: Cross multiply
    20,873,481x = 28,842,636 × 28,842,636
  4. Step 4: Simplify right side
    20,873,481x = 831,897,651,428,496
  5. Step 5: Solve for x
    x = 831,897,651,428,496/20,873,481
  6. Step 6: Final answer
    x = 39,854,284.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.