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Finding the Third Proportional to 66,875.25 and 148,512.75

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Solution

The third proportional to 66,875.25 and 148,512.75 is: 329,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,875.25 : 148,512.75 = 148,512.75 : x
  2. Step 2: Convert to fraction form
    66,875.25/148,512.75 = 148,512.75/x
  3. Step 3: Cross multiply
    66,875.25x = 148,512.75 × 148,512.75
  4. Step 4: Simplify right side
    66,875.25x = 22,056,036,912.56
  5. Step 5: Solve for x
    x = 22,056,036,912.56/66,875.25
  6. Step 6: Final answer
    x = 329,808.66

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.