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Finding the Third Proportional to 379,248 and 814,779

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Solution

The third proportional to 379,248 and 814,779 is: 1,750,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,248 : 814,779 = 814,779 : x
  2. Step 2: Convert to fraction form
    379,248/814,779 = 814,779/x
  3. Step 3: Cross multiply
    379,248x = 814,779 × 814,779
  4. Step 4: Simplify right side
    379,248x = 663,864,818,841
  5. Step 5: Solve for x
    x = 663,864,818,841/379,248
  6. Step 6: Final answer
    x = 1,750,476.78

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.