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Finding the Third Proportional to 76,110.75 and 102,674.25

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Solution

The third proportional to 76,110.75 and 102,674.25 is: 138,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,110.75 : 102,674.25 = 102,674.25 : x
  2. Step 2: Convert to fraction form
    76,110.75/102,674.25 = 102,674.25/x
  3. Step 3: Cross multiply
    76,110.75x = 102,674.25 × 102,674.25
  4. Step 4: Simplify right side
    76,110.75x = 10,542,001,613.06
  5. Step 5: Solve for x
    x = 10,542,001,613.06/76,110.75
  6. Step 6: Final answer
    x = 138,508.71

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.