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Finding the Third Proportional to 69,868.13 and 151,551

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Solution

The third proportional to 69,868.13 and 151,551 is: 328,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,868.13 : 151,551 = 151,551 : x
  2. Step 2: Convert to fraction form
    69,868.13/151,551 = 151,551/x
  3. Step 3: Cross multiply
    69,868.13x = 151,551 × 151,551
  4. Step 4: Simplify right side
    69,868.13x = 22,967,705,601
  5. Step 5: Solve for x
    x = 22,967,705,601/69,868.13
  6. Step 6: Final answer
    x = 328,729.38

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.