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Finding the Third Proportional to 218,738 and 467,808

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Solution

The third proportional to 218,738 and 467,808 is: 1,000,486.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,738 : 467,808 = 467,808 : x
  2. Step 2: Convert to fraction form
    218,738/467,808 = 467,808/x
  3. Step 3: Cross multiply
    218,738x = 467,808 × 467,808
  4. Step 4: Simplify right side
    218,738x = 218,844,324,864
  5. Step 5: Solve for x
    x = 218,844,324,864/218,738
  6. Step 6: Final answer
    x = 1,000,486.08

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.