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Finding the Third Proportional to 54,191 and 79,716

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Solution

The third proportional to 54,191 and 79,716 is: 117,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,191 : 79,716 = 79,716 : x
  2. Step 2: Convert to fraction form
    54,191/79,716 = 79,716/x
  3. Step 3: Cross multiply
    54,191x = 79,716 × 79,716
  4. Step 4: Simplify right side
    54,191x = 6,354,640,656
  5. Step 5: Solve for x
    x = 6,354,640,656/54,191
  6. Step 6: Final answer
    x = 117,263.76

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.