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Finding the Third Proportional to 218,296.50 and 477,171

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Solution

The third proportional to 218,296.50 and 477,171 is: 1,043,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,296.50 : 477,171 = 477,171 : x
  2. Step 2: Convert to fraction form
    218,296.50/477,171 = 477,171/x
  3. Step 3: Cross multiply
    218,296.50x = 477,171 × 477,171
  4. Step 4: Simplify right side
    218,296.50x = 227,692,163,241
  5. Step 5: Solve for x
    x = 227,692,163,241/218,296.50
  6. Step 6: Final answer
    x = 1,043,040.83

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.