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Finding the Third Proportional to 87,390.75 and 151,710.75

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Solution

The third proportional to 87,390.75 and 151,710.75 is: 263,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,390.75 : 151,710.75 = 151,710.75 : x
  2. Step 2: Convert to fraction form
    87,390.75/151,710.75 = 151,710.75/x
  3. Step 3: Cross multiply
    87,390.75x = 151,710.75 × 151,710.75
  4. Step 4: Simplify right side
    87,390.75x = 23,016,151,665.56
  5. Step 5: Solve for x
    x = 23,016,151,665.56/87,390.75
  6. Step 6: Final answer
    x = 263,370.57

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.