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Finding the Third Proportional to 857,568 and 1,260,660

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Solution

The third proportional to 857,568 and 1,260,660 is: 1,853,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,568 : 1,260,660 = 1,260,660 : x
  2. Step 2: Convert to fraction form
    857,568/1,260,660 = 1,260,660/x
  3. Step 3: Cross multiply
    857,568x = 1,260,660 × 1,260,660
  4. Step 4: Simplify right side
    857,568x = 1,589,263,635,600
  5. Step 5: Solve for x
    x = 1,589,263,635,600/857,568
  6. Step 6: Final answer
    x = 1,853,221.71

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.