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Finding the Third Proportional to 133,472 and 179,778

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Solution

The third proportional to 133,472 and 179,778 is: 242,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,472 : 179,778 = 179,778 : x
  2. Step 2: Convert to fraction form
    133,472/179,778 = 179,778/x
  3. Step 3: Cross multiply
    133,472x = 179,778 × 179,778
  4. Step 4: Simplify right side
    133,472x = 32,320,129,284
  5. Step 5: Solve for x
    x = 32,320,129,284/133,472
  6. Step 6: Final answer
    x = 242,149.13

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.