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Finding the Third Proportional to 48,987 and 107,325

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Solution

The third proportional to 48,987 and 107,325 is: 235,136.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,987 : 107,325 = 107,325 : x
  2. Step 2: Convert to fraction form
    48,987/107,325 = 107,325/x
  3. Step 3: Cross multiply
    48,987x = 107,325 × 107,325
  4. Step 4: Simplify right side
    48,987x = 11,518,655,625
  5. Step 5: Solve for x
    x = 11,518,655,625/48,987
  6. Step 6: Final answer
    x = 235,136.99

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.