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Finding the Third Proportional to 26,278 and 56,928

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Solution

The third proportional to 26,278 and 56,928 is: 123,327.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278 : 56,928 = 56,928 : x
  2. Step 2: Convert to fraction form
    26,278/56,928 = 56,928/x
  3. Step 3: Cross multiply
    26,278x = 56,928 × 56,928
  4. Step 4: Simplify right side
    26,278x = 3,240,797,184
  5. Step 5: Solve for x
    x = 3,240,797,184/26,278
  6. Step 6: Final answer
    x = 123,327.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.