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Finding the Third Proportional to 26,290 and 56,956

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Solution

The third proportional to 26,290 and 56,956 is: 123,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,290 : 56,956 = 56,956 : x
  2. Step 2: Convert to fraction form
    26,290/56,956 = 56,956/x
  3. Step 3: Cross multiply
    26,290x = 56,956 × 56,956
  4. Step 4: Simplify right side
    26,290x = 3,243,985,936
  5. Step 5: Solve for x
    x = 3,243,985,936/26,290
  6. Step 6: Final answer
    x = 123,392.39

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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.