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Finding the Third Proportional to 217,942.88 and 292,879.13

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Solution

The third proportional to 217,942.88 and 292,879.13 is: 393,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,942.88 : 292,879.13 = 292,879.13 : x
  2. Step 2: Convert to fraction form
    217,942.88/292,879.13 = 292,879.13/x
  3. Step 3: Cross multiply
    217,942.88x = 292,879.13 × 292,879.13
  4. Step 4: Simplify right side
    217,942.88x = 85,778,181,860.77
  5. Step 5: Solve for x
    x = 85,778,181,860.77/217,942.88
  6. Step 6: Final answer
    x = 393,581.03

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.