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Finding the Third Proportional to 591.07 and 879.39

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Solution

The third proportional to 591.07 and 879.39 is: 1,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.07 : 879.39 = 879.39 : x
  2. Step 2: Convert to fraction form
    591.07/879.39 = 879.39/x
  3. Step 3: Cross multiply
    591.07x = 879.39 × 879.39
  4. Step 4: Simplify right side
    591.07x = 773,330.02
  5. Step 5: Solve for x
    x = 773,330.02/591.07
  6. Step 6: Final answer
    x = 1,308.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.