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Finding the Third Proportional to 66,805.50 and 125,295

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Solution

The third proportional to 66,805.50 and 125,295 is: 234,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,805.50 : 125,295 = 125,295 : x
  2. Step 2: Convert to fraction form
    66,805.50/125,295 = 125,295/x
  3. Step 3: Cross multiply
    66,805.50x = 125,295 × 125,295
  4. Step 4: Simplify right side
    66,805.50x = 15,698,837,025
  5. Step 5: Solve for x
    x = 15,698,837,025/66,805.50
  6. Step 6: Final answer
    x = 234,993.18

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.