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Finding the Third Proportional to 132,520.50 and 205,422.75

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Solution

The third proportional to 132,520.50 and 205,422.75 is: 318,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,520.50 : 205,422.75 = 205,422.75 : x
  2. Step 2: Convert to fraction form
    132,520.50/205,422.75 = 205,422.75/x
  3. Step 3: Cross multiply
    132,520.50x = 205,422.75 × 205,422.75
  4. Step 4: Simplify right side
    132,520.50x = 42,198,506,217.56
  5. Step 5: Solve for x
    x = 42,198,506,217.56/132,520.50
  6. Step 6: Final answer
    x = 318,430.03

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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.