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Finding the Third Proportional to 113,456.25 and 247,686.75

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Solution

The third proportional to 113,456.25 and 247,686.75 is: 540,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,456.25 : 247,686.75 = 247,686.75 : x
  2. Step 2: Convert to fraction form
    113,456.25/247,686.75 = 247,686.75/x
  3. Step 3: Cross multiply
    113,456.25x = 247,686.75 × 247,686.75
  4. Step 4: Simplify right side
    113,456.25x = 61,348,726,125.56
  5. Step 5: Solve for x
    x = 61,348,726,125.56/113,456.25
  6. Step 6: Final answer
    x = 540,725.84

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.