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Finding the Third Proportional to 44,359.50 and 66,999

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Solution

The third proportional to 44,359.50 and 66,999 is: 101,192.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,359.50 : 66,999 = 66,999 : x
  2. Step 2: Convert to fraction form
    44,359.50/66,999 = 66,999/x
  3. Step 3: Cross multiply
    44,359.50x = 66,999 × 66,999
  4. Step 4: Simplify right side
    44,359.50x = 4,488,866,001
  5. Step 5: Solve for x
    x = 4,488,866,001/44,359.50
  6. Step 6: Final answer
    x = 101,192.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.