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Finding the Third Proportional to 60,270 and 87,669

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Solution

The third proportional to 60,270 and 87,669 is: 127,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,270 : 87,669 = 87,669 : x
  2. Step 2: Convert to fraction form
    60,270/87,669 = 87,669/x
  3. Step 3: Cross multiply
    60,270x = 87,669 × 87,669
  4. Step 4: Simplify right side
    60,270x = 7,685,853,561
  5. Step 5: Solve for x
    x = 7,685,853,561/60,270
  6. Step 6: Final answer
    x = 127,523.70

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.