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Finding the Third Proportional to 116,781.75 and 255,372.75

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Solution

The third proportional to 116,781.75 and 255,372.75 is: 558,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,781.75 : 255,372.75 = 255,372.75 : x
  2. Step 2: Convert to fraction form
    116,781.75/255,372.75 = 255,372.75/x
  3. Step 3: Cross multiply
    116,781.75x = 255,372.75 × 255,372.75
  4. Step 4: Simplify right side
    116,781.75x = 65,215,241,442.56
  5. Step 5: Solve for x
    x = 65,215,241,442.56/116,781.75
  6. Step 6: Final answer
    x = 558,436.93

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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.