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Finding the Third Proportional to 218,823 and 471,125

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Solution

The third proportional to 218,823 and 471,125 is: 1,014,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,823 : 471,125 = 471,125 : x
  2. Step 2: Convert to fraction form
    218,823/471,125 = 471,125/x
  3. Step 3: Cross multiply
    218,823x = 471,125 × 471,125
  4. Step 4: Simplify right side
    218,823x = 221,958,765,625
  5. Step 5: Solve for x
    x = 221,958,765,625/218,823
  6. Step 6: Final answer
    x = 1,014,330.15

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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.