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Finding the Third Proportional to 8,751.38 and 9,939.38

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Solution

The third proportional to 8,751.38 and 9,939.38 is: 11,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.38 : 9,939.38 = 9,939.38 : x
  2. Step 2: Convert to fraction form
    8,751.38/9,939.38 = 9,939.38/x
  3. Step 3: Cross multiply
    8,751.38x = 9,939.38 × 9,939.38
  4. Step 4: Simplify right side
    8,751.38x = 98,791,175.39
  5. Step 5: Solve for x
    x = 98,791,175.39/8,751.38
  6. Step 6: Final answer
    x = 11,288.65

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.