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Finding the Third Proportional to 218,304.75 and 469,808.25

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Solution

The third proportional to 218,304.75 and 469,808.25 is: 1,011,062.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,304.75 : 469,808.25 = 469,808.25 : x
  2. Step 2: Convert to fraction form
    218,304.75/469,808.25 = 469,808.25/x
  3. Step 3: Cross multiply
    218,304.75x = 469,808.25 × 469,808.25
  4. Step 4: Simplify right side
    218,304.75x = 220,719,791,768.06
  5. Step 5: Solve for x
    x = 220,719,791,768.06/218,304.75
  6. Step 6: Final answer
    x = 1,011,062.71

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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.