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Finding the Third Proportional to 57,509.25 and 125,143.50

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Solution

The third proportional to 57,509.25 and 125,143.50 is: 272,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,509.25 : 125,143.50 = 125,143.50 : x
  2. Step 2: Convert to fraction form
    57,509.25/125,143.50 = 125,143.50/x
  3. Step 3: Cross multiply
    57,509.25x = 125,143.50 × 125,143.50
  4. Step 4: Simplify right side
    57,509.25x = 15,660,895,592.25
  5. Step 5: Solve for x
    x = 15,660,895,592.25/57,509.25
  6. Step 6: Final answer
    x = 272,319.59

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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.