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Finding the Third Proportional to 143,703.38 and 217,543.13

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Solution

The third proportional to 143,703.38 and 217,543.13 is: 329,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,703.38 : 217,543.13 = 217,543.13 : x
  2. Step 2: Convert to fraction form
    143,703.38/217,543.13 = 217,543.13/x
  3. Step 3: Cross multiply
    143,703.38x = 217,543.13 × 217,543.13
  4. Step 4: Simplify right side
    143,703.38x = 47,325,011,234.77
  5. Step 5: Solve for x
    x = 47,325,011,234.77/143,703.38
  6. Step 6: Final answer
    x = 329,324.29

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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.