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Finding the Third Proportional to 207,422 and 452,390

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Solution

The third proportional to 207,422 and 452,390 is: 986,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,422 : 452,390 = 452,390 : x
  2. Step 2: Convert to fraction form
    207,422/452,390 = 452,390/x
  3. Step 3: Cross multiply
    207,422x = 452,390 × 452,390
  4. Step 4: Simplify right side
    207,422x = 204,656,712,100
  5. Step 5: Solve for x
    x = 204,656,712,100/207,422
  6. Step 6: Final answer
    x = 986,668.30

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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.