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Finding the Third Proportional to 66,108.75 and 100,711.13

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Solution

The third proportional to 66,108.75 and 100,711.13 is: 153,424.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,108.75 : 100,711.13 = 100,711.13 : x
  2. Step 2: Convert to fraction form
    66,108.75/100,711.13 = 100,711.13/x
  3. Step 3: Cross multiply
    66,108.75x = 100,711.13 × 100,711.13
  4. Step 4: Simplify right side
    66,108.75x = 10,142,730,698.77
  5. Step 5: Solve for x
    x = 10,142,730,698.77/66,108.75
  6. Step 6: Final answer
    x = 153,424.94

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.