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Finding the Third Proportional to 66,924.50 and 89,220.75

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Solution

The third proportional to 66,924.50 and 89,220.75 is: 118,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,924.50 : 89,220.75 = 89,220.75 : x
  2. Step 2: Convert to fraction form
    66,924.50/89,220.75 = 89,220.75/x
  3. Step 3: Cross multiply
    66,924.50x = 89,220.75 × 89,220.75
  4. Step 4: Simplify right side
    66,924.50x = 7,960,342,230.56
  5. Step 5: Solve for x
    x = 7,960,342,230.56/66,924.50
  6. Step 6: Final answer
    x = 118,945.11

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.