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Finding the Third Proportional to 26,078 and 57,124

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Solution

The third proportional to 26,078 and 57,124 is: 125,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078 : 57,124 = 57,124 : x
  2. Step 2: Convert to fraction form
    26,078/57,124 = 57,124/x
  3. Step 3: Cross multiply
    26,078x = 57,124 × 57,124
  4. Step 4: Simplify right side
    26,078x = 3,263,151,376
  5. Step 5: Solve for x
    x = 3,263,151,376/26,078
  6. Step 6: Final answer
    x = 125,130.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.