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Finding the Third Proportional to 376,926 and 819,292

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Solution

The third proportional to 376,926 and 819,292 is: 1,780,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,926 : 819,292 = 819,292 : x
  2. Step 2: Convert to fraction form
    376,926/819,292 = 819,292/x
  3. Step 3: Cross multiply
    376,926x = 819,292 × 819,292
  4. Step 4: Simplify right side
    376,926x = 671,239,381,264
  5. Step 5: Solve for x
    x = 671,239,381,264/376,926
  6. Step 6: Final answer
    x = 1,780,825.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.