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Finding the Third Proportional to 882.14 and 1,320.47

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Solution

The third proportional to 882.14 and 1,320.47 is: 1,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.14 : 1,320.47 = 1,320.47 : x
  2. Step 2: Convert to fraction form
    882.14/1,320.47 = 1,320.47/x
  3. Step 3: Cross multiply
    882.14x = 1,320.47 × 1,320.47
  4. Step 4: Simplify right side
    882.14x = 1,743,637.72
  5. Step 5: Solve for x
    x = 1,743,637.72/882.14
  6. Step 6: Final answer
    x = 1,976.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.