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Finding the Third Proportional to 66,759.19 and 89,175.94

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Solution

The third proportional to 66,759.19 and 89,175.94 is: 119,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,759.19 : 89,175.94 = 89,175.94 : x
  2. Step 2: Convert to fraction form
    66,759.19/89,175.94 = 89,175.94/x
  3. Step 3: Cross multiply
    66,759.19x = 89,175.94 × 89,175.94
  4. Step 4: Simplify right side
    66,759.19x = 7,952,347,829.00
  5. Step 5: Solve for x
    x = 7,952,347,829.00/66,759.19
  6. Step 6: Final answer
    x = 119,119.90

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.