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Finding the Third Proportional to 415,926 and 851,519

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Solution

The third proportional to 415,926 and 851,519 is: 1,743,301.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,926 : 851,519 = 851,519 : x
  2. Step 2: Convert to fraction form
    415,926/851,519 = 851,519/x
  3. Step 3: Cross multiply
    415,926x = 851,519 × 851,519
  4. Step 4: Simplify right side
    415,926x = 725,084,607,361
  5. Step 5: Solve for x
    x = 725,084,607,361/415,926
  6. Step 6: Final answer
    x = 1,743,301.95

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.