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Finding the Third Proportional to 91,773.88 and 129,239.75

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Solution

The third proportional to 91,773.88 and 129,239.75 is: 182,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,773.88 : 129,239.75 = 129,239.75 : x
  2. Step 2: Convert to fraction form
    91,773.88/129,239.75 = 129,239.75/x
  3. Step 3: Cross multiply
    91,773.88x = 129,239.75 × 129,239.75
  4. Step 4: Simplify right side
    91,773.88x = 16,702,912,980.06
  5. Step 5: Solve for x
    x = 16,702,912,980.06/91,773.88
  6. Step 6: Final answer
    x = 182,000.74

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.