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Finding the Third Proportional to 57,726 and 118,314

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Solution

The third proportional to 57,726 and 118,314 is: 242,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,726 : 118,314 = 118,314 : x
  2. Step 2: Convert to fraction form
    57,726/118,314 = 118,314/x
  3. Step 3: Cross multiply
    57,726x = 118,314 × 118,314
  4. Step 4: Simplify right side
    57,726x = 13,998,202,596
  5. Step 5: Solve for x
    x = 13,998,202,596/57,726
  6. Step 6: Final answer
    x = 242,493.90

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.