Home / 12,207,513.38-18,885,087.56

Finding the Third Proportional to 12,207,513.38 and 18,885,087.56

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Solution

The third proportional to 12,207,513.38 and 18,885,087.56 is: 29,215,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207,513.38 : 18,885,087.56 = 18,885,087.56 : x
  2. Step 2: Convert to fraction form
    12,207,513.38/18,885,087.56 = 18,885,087.56/x
  3. Step 3: Cross multiply
    12,207,513.38x = 18,885,087.56 × 18,885,087.56
  4. Step 4: Simplify right side
    12,207,513.38x = 356,646,532,243,292.19
  5. Step 5: Solve for x
    x = 356,646,532,243,292.19/12,207,513.38
  6. Step 6: Final answer
    x = 29,215,330.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.