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Finding the Third Proportional to 119,721 and 179,252.25

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Solution

The third proportional to 119,721 and 179,252.25 is: 268,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,721 : 179,252.25 = 179,252.25 : x
  2. Step 2: Convert to fraction form
    119,721/179,252.25 = 179,252.25/x
  3. Step 3: Cross multiply
    119,721x = 179,252.25 × 179,252.25
  4. Step 4: Simplify right side
    119,721x = 32,131,369,130.06
  5. Step 5: Solve for x
    x = 32,131,369,130.06/119,721
  6. Step 6: Final answer
    x = 268,385.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.