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Finding the Third Proportional to 87,476.50 and 187,690.50

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Solution

The third proportional to 87,476.50 and 187,690.50 is: 402,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,476.50 : 187,690.50 = 187,690.50 : x
  2. Step 2: Convert to fraction form
    87,476.50/187,690.50 = 187,690.50/x
  3. Step 3: Cross multiply
    87,476.50x = 187,690.50 × 187,690.50
  4. Step 4: Simplify right side
    87,476.50x = 35,227,723,790.25
  5. Step 5: Solve for x
    x = 35,227,723,790.25/87,476.50
  6. Step 6: Final answer
    x = 402,710.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.