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Finding the Third Proportional to 26,315 and 56,843

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Solution

The third proportional to 26,315 and 56,843 is: 122,786.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315 : 56,843 = 56,843 : x
  2. Step 2: Convert to fraction form
    26,315/56,843 = 56,843/x
  3. Step 3: Cross multiply
    26,315x = 56,843 × 56,843
  4. Step 4: Simplify right side
    26,315x = 3,231,126,649
  5. Step 5: Solve for x
    x = 3,231,126,649/26,315
  6. Step 6: Final answer
    x = 122,786.50

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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.