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Finding the Third Proportional to 818,691 and 1,761,798

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Solution

The third proportional to 818,691 and 1,761,798 is: 3,791,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,691 : 1,761,798 = 1,761,798 : x
  2. Step 2: Convert to fraction form
    818,691/1,761,798 = 1,761,798/x
  3. Step 3: Cross multiply
    818,691x = 1,761,798 × 1,761,798
  4. Step 4: Simplify right side
    818,691x = 3,103,932,192,804
  5. Step 5: Solve for x
    x = 3,103,932,192,804/818,691
  6. Step 6: Final answer
    x = 3,791,335.43

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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.