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Finding the Third Proportional to 80,129.25 and 124,567.88

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Solution

The third proportional to 80,129.25 and 124,567.88 is: 193,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,129.25 : 124,567.88 = 124,567.88 : x
  2. Step 2: Convert to fraction form
    80,129.25/124,567.88 = 124,567.88/x
  3. Step 3: Cross multiply
    80,129.25x = 124,567.88 × 124,567.88
  4. Step 4: Simplify right side
    80,129.25x = 15,517,155,482.02
  5. Step 5: Solve for x
    x = 15,517,155,482.02/80,129.25
  6. Step 6: Final answer
    x = 193,651.58

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.