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Finding the Third Proportional to 207,691.50 and 445,191

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Solution

The third proportional to 207,691.50 and 445,191 is: 954,276.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,691.50 : 445,191 = 445,191 : x
  2. Step 2: Convert to fraction form
    207,691.50/445,191 = 445,191/x
  3. Step 3: Cross multiply
    207,691.50x = 445,191 × 445,191
  4. Step 4: Simplify right side
    207,691.50x = 198,195,026,481
  5. Step 5: Solve for x
    x = 198,195,026,481/207,691.50
  6. Step 6: Final answer
    x = 954,276.06

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.