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Finding the Third Proportional to 40,866.75 and 63,721.88

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Solution

The third proportional to 40,866.75 and 63,721.88 is: 99,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,866.75 : 63,721.88 = 63,721.88 : x
  2. Step 2: Convert to fraction form
    40,866.75/63,721.88 = 63,721.88/x
  3. Step 3: Cross multiply
    40,866.75x = 63,721.88 × 63,721.88
  4. Step 4: Simplify right side
    40,866.75x = 4,060,477,353.52
  5. Step 5: Solve for x
    x = 4,060,477,353.52/40,866.75
  6. Step 6: Final answer
    x = 99,358.95

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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.