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Finding the Third Proportional to 25,265 and 51,987

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Solution

The third proportional to 25,265 and 51,987 is: 106,972.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,265 : 51,987 = 51,987 : x
  2. Step 2: Convert to fraction form
    25,265/51,987 = 51,987/x
  3. Step 3: Cross multiply
    25,265x = 51,987 × 51,987
  4. Step 4: Simplify right side
    25,265x = 2,702,648,169
  5. Step 5: Solve for x
    x = 2,702,648,169/25,265
  6. Step 6: Final answer
    x = 106,972.02

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.