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Finding the Third Proportional to 143,110 and 310,802

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Solution

The third proportional to 143,110 and 310,802 is: 674,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,110 : 310,802 = 310,802 : x
  2. Step 2: Convert to fraction form
    143,110/310,802 = 310,802/x
  3. Step 3: Cross multiply
    143,110x = 310,802 × 310,802
  4. Step 4: Simplify right side
    143,110x = 96,597,883,204
  5. Step 5: Solve for x
    x = 96,597,883,204/143,110
  6. Step 6: Final answer
    x = 674,990.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.