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Finding the Third Proportional to 39,867.19 and 62,230.78

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Solution

The third proportional to 39,867.19 and 62,230.78 is: 97,139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,867.19 : 62,230.78 = 62,230.78 : x
  2. Step 2: Convert to fraction form
    39,867.19/62,230.78 = 62,230.78/x
  3. Step 3: Cross multiply
    39,867.19x = 62,230.78 × 62,230.78
  4. Step 4: Simplify right side
    39,867.19x = 3,872,670,134.99
  5. Step 5: Solve for x
    x = 3,872,670,134.99/39,867.19
  6. Step 6: Final answer
    x = 97,139.29

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.