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Finding the Third Proportional to 359.75 and 871.88

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Solution

The third proportional to 359.75 and 871.88 is: 2,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.75 : 871.88 = 871.88 : x
  2. Step 2: Convert to fraction form
    359.75/871.88 = 871.88/x
  3. Step 3: Cross multiply
    359.75x = 871.88 × 871.88
  4. Step 4: Simplify right side
    359.75x = 760,166.02
  5. Step 5: Solve for x
    x = 760,166.02/359.75
  6. Step 6: Final answer
    x = 2,113.04

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.