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Finding the Third Proportional to 39,487.13 and 93,215.69

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Solution

The third proportional to 39,487.13 and 93,215.69 is: 220,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,487.13 : 93,215.69 = 93,215.69 : x
  2. Step 2: Convert to fraction form
    39,487.13/93,215.69 = 93,215.69/x
  3. Step 3: Cross multiply
    39,487.13x = 93,215.69 × 93,215.69
  4. Step 4: Simplify right side
    39,487.13x = 8,689,164,396.10
  5. Step 5: Solve for x
    x = 8,689,164,396.10/39,487.13
  6. Step 6: Final answer
    x = 220,050.57

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.