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Finding the Third Proportional to 681,885 and 1,009,638

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Solution

The third proportional to 681,885 and 1,009,638 is: 1,494,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,885 : 1,009,638 = 1,009,638 : x
  2. Step 2: Convert to fraction form
    681,885/1,009,638 = 1,009,638/x
  3. Step 3: Cross multiply
    681,885x = 1,009,638 × 1,009,638
  4. Step 4: Simplify right side
    681,885x = 1,019,368,891,044
  5. Step 5: Solve for x
    x = 1,019,368,891,044/681,885
  6. Step 6: Final answer
    x = 1,494,927.87

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.