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Finding the Third Proportional to 225,397 and 351,020

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Solution

The third proportional to 225,397 and 351,020 is: 546,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,397 : 351,020 = 351,020 : x
  2. Step 2: Convert to fraction form
    225,397/351,020 = 351,020/x
  3. Step 3: Cross multiply
    225,397x = 351,020 × 351,020
  4. Step 4: Simplify right side
    225,397x = 123,215,040,400
  5. Step 5: Solve for x
    x = 123,215,040,400/225,397
  6. Step 6: Final answer
    x = 546,657.85

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.