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Finding the Third Proportional to 30,163.50 and 66,250.13

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Solution

The third proportional to 30,163.50 and 66,250.13 is: 145,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163.50 : 66,250.13 = 66,250.13 : x
  2. Step 2: Convert to fraction form
    30,163.50/66,250.13 = 66,250.13/x
  3. Step 3: Cross multiply
    30,163.50x = 66,250.13 × 66,250.13
  4. Step 4: Simplify right side
    30,163.50x = 4,389,079,062.52
  5. Step 5: Solve for x
    x = 4,389,079,062.52/30,163.50
  6. Step 6: Final answer
    x = 145,509.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.