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Finding the Third Proportional to 20,869,630 and 27,443,463

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Solution

The third proportional to 20,869,630 and 27,443,463 is: 36,088,021.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,869,630 : 27,443,463 = 27,443,463 : x
  2. Step 2: Convert to fraction form
    20,869,630/27,443,463 = 27,443,463/x
  3. Step 3: Cross multiply
    20,869,630x = 27,443,463 × 27,443,463
  4. Step 4: Simplify right side
    20,869,630x = 753,143,661,432,369
  5. Step 5: Solve for x
    x = 753,143,661,432,369/20,869,630
  6. Step 6: Final answer
    x = 36,088,021.75

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.