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Finding the Third Proportional to 66,972.75 and 101,320.13

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Solution

The third proportional to 66,972.75 and 101,320.13 is: 153,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,972.75 : 101,320.13 = 101,320.13 : x
  2. Step 2: Convert to fraction form
    66,972.75/101,320.13 = 101,320.13/x
  3. Step 3: Cross multiply
    66,972.75x = 101,320.13 × 101,320.13
  4. Step 4: Simplify right side
    66,972.75x = 10,265,767,730.02
  5. Step 5: Solve for x
    x = 10,265,767,730.02/66,972.75
  6. Step 6: Final answer
    x = 153,282.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.