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Finding the Third Proportional to 66,384 and 101,600

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Solution

The third proportional to 66,384 and 101,600 is: 155,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,384 : 101,600 = 101,600 : x
  2. Step 2: Convert to fraction form
    66,384/101,600 = 101,600/x
  3. Step 3: Cross multiply
    66,384x = 101,600 × 101,600
  4. Step 4: Simplify right side
    66,384x = 10,322,560,000
  5. Step 5: Solve for x
    x = 10,322,560,000/66,384
  6. Step 6: Final answer
    x = 155,497.71

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.