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Finding the Third Proportional to 252,258 and 379,446

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Solution

The third proportional to 252,258 and 379,446 is: 570,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,258 : 379,446 = 379,446 : x
  2. Step 2: Convert to fraction form
    252,258/379,446 = 379,446/x
  3. Step 3: Cross multiply
    252,258x = 379,446 × 379,446
  4. Step 4: Simplify right side
    252,258x = 143,979,266,916
  5. Step 5: Solve for x
    x = 143,979,266,916/252,258
  6. Step 6: Final answer
    x = 570,761.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.