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Finding the Third Proportional to 3,132.56 and 5,831.44

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Solution

The third proportional to 3,132.56 and 5,831.44 is: 10,855.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.56 : 5,831.44 = 5,831.44 : x
  2. Step 2: Convert to fraction form
    3,132.56/5,831.44 = 5,831.44/x
  3. Step 3: Cross multiply
    3,132.56x = 5,831.44 × 5,831.44
  4. Step 4: Simplify right side
    3,132.56x = 34,005,663.32
  5. Step 5: Solve for x
    x = 34,005,663.32/3,132.56
  6. Step 6: Final answer
    x = 10,855.54

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.