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Finding the Third Proportional to 101,980 and 155,562

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Solution

The third proportional to 101,980 and 155,562 is: 237,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,980 : 155,562 = 155,562 : x
  2. Step 2: Convert to fraction form
    101,980/155,562 = 155,562/x
  3. Step 3: Cross multiply
    101,980x = 155,562 × 155,562
  4. Step 4: Simplify right side
    101,980x = 24,199,535,844
  5. Step 5: Solve for x
    x = 24,199,535,844/101,980
  6. Step 6: Final answer
    x = 237,296.88

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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.