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Finding the Third Proportional to 8,447,613 and 12,693,912.38

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Solution

The third proportional to 8,447,613 and 12,693,912.38 is: 19,074,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447,613 : 12,693,912.38 = 12,693,912.38 : x
  2. Step 2: Convert to fraction form
    8,447,613/12,693,912.38 = 12,693,912.38/x
  3. Step 3: Cross multiply
    8,447,613x = 12,693,912.38 × 12,693,912.38
  4. Step 4: Simplify right side
    8,447,613x = 161,135,411,384,178.12
  5. Step 5: Solve for x
    x = 161,135,411,384,178.12/8,447,613
  6. Step 6: Final answer
    x = 19,074,667.77

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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.