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Finding the Third Proportional to 85,149.50 and 200,720.75

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Solution

The third proportional to 85,149.50 and 200,720.75 is: 473,153.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,149.50 : 200,720.75 = 200,720.75 : x
  2. Step 2: Convert to fraction form
    85,149.50/200,720.75 = 200,720.75/x
  3. Step 3: Cross multiply
    85,149.50x = 200,720.75 × 200,720.75
  4. Step 4: Simplify right side
    85,149.50x = 40,288,819,480.56
  5. Step 5: Solve for x
    x = 40,288,819,480.56/85,149.50
  6. Step 6: Final answer
    x = 473,153.92

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.