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Finding the Third Proportional to 20,873,479 and 28,842,633

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Solution

The third proportional to 20,873,479 and 28,842,633 is: 39,854,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,873,479 : 28,842,633 = 28,842,633 : x
  2. Step 2: Convert to fraction form
    20,873,479/28,842,633 = 28,842,633/x
  3. Step 3: Cross multiply
    20,873,479x = 28,842,633 × 28,842,633
  4. Step 4: Simplify right side
    20,873,479x = 831,897,478,372,689
  5. Step 5: Solve for x
    x = 831,897,478,372,689/20,873,479
  6. Step 6: Final answer
    x = 39,854,280.08

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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.