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Finding the Third Proportional to 39,324.38 and 85,938.75

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Solution

The third proportional to 39,324.38 and 85,938.75 is: 187,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,324.38 : 85,938.75 = 85,938.75 : x
  2. Step 2: Convert to fraction form
    39,324.38/85,938.75 = 85,938.75/x
  3. Step 3: Cross multiply
    39,324.38x = 85,938.75 × 85,938.75
  4. Step 4: Simplify right side
    39,324.38x = 7,385,468,751.56
  5. Step 5: Solve for x
    x = 7,385,468,751.56/39,324.38
  6. Step 6: Final answer
    x = 187,808.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.