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Finding the Third Proportional to 884.20 and 1,340.18

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Solution

The third proportional to 884.20 and 1,340.18 is: 2,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.20 : 1,340.18 = 1,340.18 : x
  2. Step 2: Convert to fraction form
    884.20/1,340.18 = 1,340.18/x
  3. Step 3: Cross multiply
    884.20x = 1,340.18 × 1,340.18
  4. Step 4: Simplify right side
    884.20x = 1,796,077.67
  5. Step 5: Solve for x
    x = 1,796,077.67/884.20
  6. Step 6: Final answer
    x = 2,031.31

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.