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Finding the Third Proportional to 160,800 and 353,670

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Solution

The third proportional to 160,800 and 353,670 is: 777,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,800 : 353,670 = 353,670 : x
  2. Step 2: Convert to fraction form
    160,800/353,670 = 353,670/x
  3. Step 3: Cross multiply
    160,800x = 353,670 × 353,670
  4. Step 4: Simplify right side
    160,800x = 125,082,468,900
  5. Step 5: Solve for x
    x = 125,082,468,900/160,800
  6. Step 6: Final answer
    x = 777,876.05

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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.