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Finding the Third Proportional to 66,976.88 and 106,616.25

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Solution

The third proportional to 66,976.88 and 106,616.25 is: 169,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,976.88 : 106,616.25 = 106,616.25 : x
  2. Step 2: Convert to fraction form
    66,976.88/106,616.25 = 106,616.25/x
  3. Step 3: Cross multiply
    66,976.88x = 106,616.25 × 106,616.25
  4. Step 4: Simplify right side
    66,976.88x = 11,367,024,764.06
  5. Step 5: Solve for x
    x = 11,367,024,764.06/66,976.88
  6. Step 6: Final answer
    x = 169,715.66

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.