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Finding the Third Proportional to 25,778 and 54,716

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Solution

The third proportional to 25,778 and 54,716 is: 116,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,778 : 54,716 = 54,716 : x
  2. Step 2: Convert to fraction form
    25,778/54,716 = 54,716/x
  3. Step 3: Cross multiply
    25,778x = 54,716 × 54,716
  4. Step 4: Simplify right side
    25,778x = 2,993,840,656
  5. Step 5: Solve for x
    x = 2,993,840,656/25,778
  6. Step 6: Final answer
    x = 116,139.37

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.