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Finding the Third Proportional to 207,539 and 304,422

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Solution

The third proportional to 207,539 and 304,422 is: 446,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,539 : 304,422 = 304,422 : x
  2. Step 2: Convert to fraction form
    207,539/304,422 = 304,422/x
  3. Step 3: Cross multiply
    207,539x = 304,422 × 304,422
  4. Step 4: Simplify right side
    207,539x = 92,672,754,084
  5. Step 5: Solve for x
    x = 92,672,754,084/207,539
  6. Step 6: Final answer
    x = 446,531.76

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.