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Finding the Third Proportional to 218,011.50 and 462,449.25

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Solution

The third proportional to 218,011.50 and 462,449.25 is: 980,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,011.50 : 462,449.25 = 462,449.25 : x
  2. Step 2: Convert to fraction form
    218,011.50/462,449.25 = 462,449.25/x
  3. Step 3: Cross multiply
    218,011.50x = 462,449.25 × 462,449.25
  4. Step 4: Simplify right side
    218,011.50x = 213,859,308,825.56
  5. Step 5: Solve for x
    x = 213,859,308,825.56/218,011.50
  6. Step 6: Final answer
    x = 980,954.26

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.