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Finding the Third Proportional to 26,685 and 57,418

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Solution

The third proportional to 26,685 and 57,418 is: 123,546.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,685 : 57,418 = 57,418 : x
  2. Step 2: Convert to fraction form
    26,685/57,418 = 57,418/x
  3. Step 3: Cross multiply
    26,685x = 57,418 × 57,418
  4. Step 4: Simplify right side
    26,685x = 3,296,826,724
  5. Step 5: Solve for x
    x = 3,296,826,724/26,685
  6. Step 6: Final answer
    x = 123,546.06

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.