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Finding the Third Proportional to 27,716 and 52,878

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Solution

The third proportional to 27,716 and 52,878 is: 100,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716 : 52,878 = 52,878 : x
  2. Step 2: Convert to fraction form
    27,716/52,878 = 52,878/x
  3. Step 3: Cross multiply
    27,716x = 52,878 × 52,878
  4. Step 4: Simplify right side
    27,716x = 2,796,082,884
  5. Step 5: Solve for x
    x = 2,796,082,884/27,716
  6. Step 6: Final answer
    x = 100,883.35

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.