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Finding the Third Proportional to 60,648 and 127,578

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Solution

The third proportional to 60,648 and 127,578 is: 268,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,648 : 127,578 = 127,578 : x
  2. Step 2: Convert to fraction form
    60,648/127,578 = 127,578/x
  3. Step 3: Cross multiply
    60,648x = 127,578 × 127,578
  4. Step 4: Simplify right side
    60,648x = 16,276,146,084
  5. Step 5: Solve for x
    x = 16,276,146,084/60,648
  6. Step 6: Final answer
    x = 268,370.70

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.