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Finding the Third Proportional to 26,760 and 57,210

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Solution

The third proportional to 26,760 and 57,210 is: 122,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760 : 57,210 = 57,210 : x
  2. Step 2: Convert to fraction form
    26,760/57,210 = 57,210/x
  3. Step 3: Cross multiply
    26,760x = 57,210 × 57,210
  4. Step 4: Simplify right side
    26,760x = 3,272,984,100
  5. Step 5: Solve for x
    x = 3,272,984,100/26,760
  6. Step 6: Final answer
    x = 122,308.82

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.