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Finding the Third Proportional to 57,619.13 and 125,745

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Solution

The third proportional to 57,619.13 and 125,745 is: 274,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,619.13 : 125,745 = 125,745 : x
  2. Step 2: Convert to fraction form
    57,619.13/125,745 = 125,745/x
  3. Step 3: Cross multiply
    57,619.13x = 125,745 × 125,745
  4. Step 4: Simplify right side
    57,619.13x = 15,811,805,025
  5. Step 5: Solve for x
    x = 15,811,805,025/57,619.13
  6. Step 6: Final answer
    x = 274,419.39

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.