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Finding the Third Proportional to 12,369,741 and 18,874,551

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Solution

The third proportional to 12,369,741 and 18,874,551 is: 28,800,010.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369,741 : 18,874,551 = 18,874,551 : x
  2. Step 2: Convert to fraction form
    12,369,741/18,874,551 = 18,874,551/x
  3. Step 3: Cross multiply
    12,369,741x = 18,874,551 × 18,874,551
  4. Step 4: Simplify right side
    12,369,741x = 356,248,675,451,601
  5. Step 5: Solve for x
    x = 356,248,675,451,601/12,369,741
  6. Step 6: Final answer
    x = 28,800,010.89

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.