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Finding the Third Proportional to 66,010.50 and 99,331.88

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Solution

The third proportional to 66,010.50 and 99,331.88 is: 149,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,010.50 : 99,331.88 = 99,331.88 : x
  2. Step 2: Convert to fraction form
    66,010.50/99,331.88 = 99,331.88/x
  3. Step 3: Cross multiply
    66,010.50x = 99,331.88 × 99,331.88
  4. Step 4: Simplify right side
    66,010.50x = 9,866,821,391.02
  5. Step 5: Solve for x
    x = 9,866,821,391.02/66,010.50
  6. Step 6: Final answer
    x = 149,473.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.