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Finding the Third Proportional to 26,742 and 57,724

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Solution

The third proportional to 26,742 and 57,724 is: 124,600.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,742 : 57,724 = 57,724 : x
  2. Step 2: Convert to fraction form
    26,742/57,724 = 57,724/x
  3. Step 3: Cross multiply
    26,742x = 57,724 × 57,724
  4. Step 4: Simplify right side
    26,742x = 3,332,060,176
  5. Step 5: Solve for x
    x = 3,332,060,176/26,742
  6. Step 6: Final answer
    x = 124,600.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.