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Finding the Third Proportional to 98,806.50 and 219,719.25

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Solution

The third proportional to 98,806.50 and 219,719.25 is: 488,596.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,806.50 : 219,719.25 = 219,719.25 : x
  2. Step 2: Convert to fraction form
    98,806.50/219,719.25 = 219,719.25/x
  3. Step 3: Cross multiply
    98,806.50x = 219,719.25 × 219,719.25
  4. Step 4: Simplify right side
    98,806.50x = 48,276,548,820.56
  5. Step 5: Solve for x
    x = 48,276,548,820.56/98,806.50
  6. Step 6: Final answer
    x = 488,596.89

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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.