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Finding the Third Proportional to 118,866 and 261,058

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Solution

The third proportional to 118,866 and 261,058 is: 573,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,866 : 261,058 = 261,058 : x
  2. Step 2: Convert to fraction form
    118,866/261,058 = 261,058/x
  3. Step 3: Cross multiply
    118,866x = 261,058 × 261,058
  4. Step 4: Simplify right side
    118,866x = 68,151,279,364
  5. Step 5: Solve for x
    x = 68,151,279,364/118,866
  6. Step 6: Final answer
    x = 573,345.44

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.