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Finding the Third Proportional to 857,741 and 1,261,660

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Solution

The third proportional to 857,741 and 1,261,660 is: 1,855,788.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,741 : 1,261,660 = 1,261,660 : x
  2. Step 2: Convert to fraction form
    857,741/1,261,660 = 1,261,660/x
  3. Step 3: Cross multiply
    857,741x = 1,261,660 × 1,261,660
  4. Step 4: Simplify right side
    857,741x = 1,591,785,955,600
  5. Step 5: Solve for x
    x = 1,591,785,955,600/857,741
  6. Step 6: Final answer
    x = 1,855,788.58

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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.