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Finding the Third Proportional to 176,304 and 391,848

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Solution

The third proportional to 176,304 and 391,848 is: 870,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,304 : 391,848 = 391,848 : x
  2. Step 2: Convert to fraction form
    176,304/391,848 = 391,848/x
  3. Step 3: Cross multiply
    176,304x = 391,848 × 391,848
  4. Step 4: Simplify right side
    176,304x = 153,544,855,104
  5. Step 5: Solve for x
    x = 153,544,855,104/176,304
  6. Step 6: Final answer
    x = 870,909.65

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.