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Finding the Third Proportional to 55,396 and 120,188

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Solution

The third proportional to 55,396 and 120,188 is: 260,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,396 : 120,188 = 120,188 : x
  2. Step 2: Convert to fraction form
    55,396/120,188 = 120,188/x
  3. Step 3: Cross multiply
    55,396x = 120,188 × 120,188
  4. Step 4: Simplify right side
    55,396x = 14,445,155,344
  5. Step 5: Solve for x
    x = 14,445,155,344/55,396
  6. Step 6: Final answer
    x = 260,761.70

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.