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Finding the Third Proportional to 176,040 and 379,458

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Solution

The third proportional to 176,040 and 379,458 is: 817,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,040 : 379,458 = 379,458 : x
  2. Step 2: Convert to fraction form
    176,040/379,458 = 379,458/x
  3. Step 3: Cross multiply
    176,040x = 379,458 × 379,458
  4. Step 4: Simplify right side
    176,040x = 143,988,373,764
  5. Step 5: Solve for x
    x = 143,988,373,764/176,040
  6. Step 6: Final answer
    x = 817,929.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.