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Finding the Third Proportional to 2,879.30 and 4,357.55

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Solution

The third proportional to 2,879.30 and 4,357.55 is: 6,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.30 : 4,357.55 = 4,357.55 : x
  2. Step 2: Convert to fraction form
    2,879.30/4,357.55 = 4,357.55/x
  3. Step 3: Cross multiply
    2,879.30x = 4,357.55 × 4,357.55
  4. Step 4: Simplify right side
    2,879.30x = 18,988,214.77
  5. Step 5: Solve for x
    x = 18,988,214.77/2,879.30
  6. Step 6: Final answer
    x = 6,594.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.