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Finding the Third Proportional to 91,774.50 and 141,845.75

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Solution

The third proportional to 91,774.50 and 141,845.75 is: 219,235.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,774.50 : 141,845.75 = 141,845.75 : x
  2. Step 2: Convert to fraction form
    91,774.50/141,845.75 = 141,845.75/x
  3. Step 3: Cross multiply
    91,774.50x = 141,845.75 × 141,845.75
  4. Step 4: Simplify right side
    91,774.50x = 20,120,216,793.06
  5. Step 5: Solve for x
    x = 20,120,216,793.06/91,774.50
  6. Step 6: Final answer
    x = 219,235.37

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Why These Related Problems?

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