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Finding the Third Proportional to 98,754 and 218,861.25

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Solution

The third proportional to 98,754 and 218,861.25 is: 485,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,754 : 218,861.25 = 218,861.25 : x
  2. Step 2: Convert to fraction form
    98,754/218,861.25 = 218,861.25/x
  3. Step 3: Cross multiply
    98,754x = 218,861.25 × 218,861.25
  4. Step 4: Simplify right side
    98,754x = 47,900,246,751.56
  5. Step 5: Solve for x
    x = 47,900,246,751.56/98,754
  6. Step 6: Final answer
    x = 485,046.14

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.