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Finding the Third Proportional to 815,445 and 1,735,866

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Solution

The third proportional to 815,445 and 1,735,866 is: 3,695,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,445 : 1,735,866 = 1,735,866 : x
  2. Step 2: Convert to fraction form
    815,445/1,735,866 = 1,735,866/x
  3. Step 3: Cross multiply
    815,445x = 1,735,866 × 1,735,866
  4. Step 4: Simplify right side
    815,445x = 3,013,230,769,956
  5. Step 5: Solve for x
    x = 3,013,230,769,956/815,445
  6. Step 6: Final answer
    x = 3,695,198.05

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.