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Finding the Third Proportional to 66,548.25 and 143,761.50

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Solution

The third proportional to 66,548.25 and 143,761.50 is: 310,562.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,548.25 : 143,761.50 = 143,761.50 : x
  2. Step 2: Convert to fraction form
    66,548.25/143,761.50 = 143,761.50/x
  3. Step 3: Cross multiply
    66,548.25x = 143,761.50 × 143,761.50
  4. Step 4: Simplify right side
    66,548.25x = 20,667,368,882.25
  5. Step 5: Solve for x
    x = 20,667,368,882.25/66,548.25
  6. Step 6: Final answer
    x = 310,562.17

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.