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Finding the Third Proportional to 12,596,486 and 18,891,446

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Solution

The third proportional to 12,596,486 and 18,891,446 is: 28,332,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,486 : 18,891,446 = 18,891,446 : x
  2. Step 2: Convert to fraction form
    12,596,486/18,891,446 = 18,891,446/x
  3. Step 3: Cross multiply
    12,596,486x = 18,891,446 × 18,891,446
  4. Step 4: Simplify right side
    12,596,486x = 356,886,731,970,916
  5. Step 5: Solve for x
    x = 356,886,731,970,916/12,596,486
  6. Step 6: Final answer
    x = 28,332,245.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.