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Finding the Third Proportional to 691,823 and 1,501,744

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Solution

The third proportional to 691,823 and 1,501,744 is: 3,259,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,823 : 1,501,744 = 1,501,744 : x
  2. Step 2: Convert to fraction form
    691,823/1,501,744 = 1,501,744/x
  3. Step 3: Cross multiply
    691,823x = 1,501,744 × 1,501,744
  4. Step 4: Simplify right side
    691,823x = 2,255,235,041,536
  5. Step 5: Solve for x
    x = 2,255,235,041,536/691,823
  6. Step 6: Final answer
    x = 3,259,843.98

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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.