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Finding the Third Proportional to 124,551.75 and 198,280.88

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Solution

The third proportional to 124,551.75 and 198,280.88 is: 315,654.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,551.75 : 198,280.88 = 198,280.88 : x
  2. Step 2: Convert to fraction form
    124,551.75/198,280.88 = 198,280.88/x
  3. Step 3: Cross multiply
    124,551.75x = 198,280.88 × 198,280.88
  4. Step 4: Simplify right side
    124,551.75x = 39,315,305,390.77
  5. Step 5: Solve for x
    x = 39,315,305,390.77/124,551.75
  6. Step 6: Final answer
    x = 315,654.38

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.