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Finding the Third Proportional to 91,966.50 and 140,622.75

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Solution

The third proportional to 91,966.50 and 140,622.75 is: 215,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,966.50 : 140,622.75 = 140,622.75 : x
  2. Step 2: Convert to fraction form
    91,966.50/140,622.75 = 140,622.75/x
  3. Step 3: Cross multiply
    91,966.50x = 140,622.75 × 140,622.75
  4. Step 4: Simplify right side
    91,966.50x = 19,774,757,817.56
  5. Step 5: Solve for x
    x = 19,774,757,817.56/91,966.50
  6. Step 6: Final answer
    x = 215,021.32

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.