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Finding the Third Proportional to 12,218,446 and 18,116,246

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Solution

The third proportional to 12,218,446 and 18,116,246 is: 26,860,892.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218,446 : 18,116,246 = 18,116,246 : x
  2. Step 2: Convert to fraction form
    12,218,446/18,116,246 = 18,116,246/x
  3. Step 3: Cross multiply
    12,218,446x = 18,116,246 × 18,116,246
  4. Step 4: Simplify right side
    12,218,446x = 328,198,369,132,516
  5. Step 5: Solve for x
    x = 328,198,369,132,516/12,218,446
  6. Step 6: Final answer
    x = 26,860,892.88

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.