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Finding the Third Proportional to 6,429.38 and 9,778.22

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Solution

The third proportional to 6,429.38 and 9,778.22 is: 14,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.38 : 9,778.22 = 9,778.22 : x
  2. Step 2: Convert to fraction form
    6,429.38/9,778.22 = 9,778.22/x
  3. Step 3: Cross multiply
    6,429.38x = 9,778.22 × 9,778.22
  4. Step 4: Simplify right side
    6,429.38x = 95,613,561.92
  5. Step 5: Solve for x
    x = 95,613,561.92/6,429.38
  6. Step 6: Final answer
    x = 14,871.36

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.