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Finding the Third Proportional to 66,780.50 and 95,489.50

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Solution

The third proportional to 66,780.50 and 95,489.50 is: 136,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,780.50 : 95,489.50 = 95,489.50 : x
  2. Step 2: Convert to fraction form
    66,780.50/95,489.50 = 95,489.50/x
  3. Step 3: Cross multiply
    66,780.50x = 95,489.50 × 95,489.50
  4. Step 4: Simplify right side
    66,780.50x = 9,118,244,610.25
  5. Step 5: Solve for x
    x = 9,118,244,610.25/66,780.50
  6. Step 6: Final answer
    x = 136,540.53

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.