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Finding the Third Proportional to 207,158.50 and 451,221.50

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Solution

The third proportional to 207,158.50 and 451,221.50 is: 982,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,158.50 : 451,221.50 = 451,221.50 : x
  2. Step 2: Convert to fraction form
    207,158.50/451,221.50 = 451,221.50/x
  3. Step 3: Cross multiply
    207,158.50x = 451,221.50 × 451,221.50
  4. Step 4: Simplify right side
    207,158.50x = 203,600,842,062.25
  5. Step 5: Solve for x
    x = 203,600,842,062.25/207,158.50
  6. Step 6: Final answer
    x = 982,826.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.