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Finding the Third Proportional to 66,555 and 100,526

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Solution

The third proportional to 66,555 and 100,526 is: 151,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,555 : 100,526 = 100,526 : x
  2. Step 2: Convert to fraction form
    66,555/100,526 = 100,526/x
  3. Step 3: Cross multiply
    66,555x = 100,526 × 100,526
  4. Step 4: Simplify right side
    66,555x = 10,105,476,676
  5. Step 5: Solve for x
    x = 10,105,476,676/66,555
  6. Step 6: Final answer
    x = 151,836.48

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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.