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Finding the Third Proportional to 87,571.13 and 136,323

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Solution

The third proportional to 87,571.13 and 136,323 is: 212,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,571.13 : 136,323 = 136,323 : x
  2. Step 2: Convert to fraction form
    87,571.13/136,323 = 136,323/x
  3. Step 3: Cross multiply
    87,571.13x = 136,323 × 136,323
  4. Step 4: Simplify right side
    87,571.13x = 18,583,960,329
  5. Step 5: Solve for x
    x = 18,583,960,329/87,571.13
  6. Step 6: Final answer
    x = 212,215.62

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.