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Finding the Third Proportional to 119,976 and 260,664

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Solution

The third proportional to 119,976 and 260,664 is: 566,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,976 : 260,664 = 260,664 : x
  2. Step 2: Convert to fraction form
    119,976/260,664 = 260,664/x
  3. Step 3: Cross multiply
    119,976x = 260,664 × 260,664
  4. Step 4: Simplify right side
    119,976x = 67,945,720,896
  5. Step 5: Solve for x
    x = 67,945,720,896/119,976
  6. Step 6: Final answer
    x = 566,327.61

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.