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Finding the Third Proportional to 40,726.13 and 57,645

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Solution

The third proportional to 40,726.13 and 57,645 is: 81,592.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,726.13 : 57,645 = 57,645 : x
  2. Step 2: Convert to fraction form
    40,726.13/57,645 = 57,645/x
  3. Step 3: Cross multiply
    40,726.13x = 57,645 × 57,645
  4. Step 4: Simplify right side
    40,726.13x = 3,322,946,025
  5. Step 5: Solve for x
    x = 3,322,946,025/40,726.13
  6. Step 6: Final answer
    x = 81,592.49

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.