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Finding the Third Proportional to 143,245.13 and 308,674.13

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Solution

The third proportional to 143,245.13 and 308,674.13 is: 665,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,245.13 : 308,674.13 = 308,674.13 : x
  2. Step 2: Convert to fraction form
    143,245.13/308,674.13 = 308,674.13/x
  3. Step 3: Cross multiply
    143,245.13x = 308,674.13 × 308,674.13
  4. Step 4: Simplify right side
    143,245.13x = 95,279,715,444.52
  5. Step 5: Solve for x
    x = 95,279,715,444.52/143,245.13
  6. Step 6: Final answer
    x = 665,151.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.