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Finding the Third Proportional to 89,403.75 and 125,317.13

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Solution

The third proportional to 89,403.75 and 125,317.13 is: 175,656.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,403.75 : 125,317.13 = 125,317.13 : x
  2. Step 2: Convert to fraction form
    89,403.75/125,317.13 = 125,317.13/x
  3. Step 3: Cross multiply
    89,403.75x = 125,317.13 × 125,317.13
  4. Step 4: Simplify right side
    89,403.75x = 15,704,381,818.27
  5. Step 5: Solve for x
    x = 15,704,381,818.27/89,403.75
  6. Step 6: Final answer
    x = 175,656.86

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.