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Finding the Third Proportional to 213,711 and 332,224.50

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Solution

The third proportional to 213,711 and 332,224.50 is: 516,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,711 : 332,224.50 = 332,224.50 : x
  2. Step 2: Convert to fraction form
    213,711/332,224.50 = 332,224.50/x
  3. Step 3: Cross multiply
    213,711x = 332,224.50 × 332,224.50
  4. Step 4: Simplify right side
    213,711x = 110,373,118,400.25
  5. Step 5: Solve for x
    x = 110,373,118,400.25/213,711
  6. Step 6: Final answer
    x = 516,459.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.