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Finding the Third Proportional to 25,878 and 39,063

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Solution

The third proportional to 25,878 and 39,063 is: 58,965.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,878 : 39,063 = 39,063 : x
  2. Step 2: Convert to fraction form
    25,878/39,063 = 39,063/x
  3. Step 3: Cross multiply
    25,878x = 39,063 × 39,063
  4. Step 4: Simplify right side
    25,878x = 1,525,917,969
  5. Step 5: Solve for x
    x = 1,525,917,969/25,878
  6. Step 6: Final answer
    x = 58,965.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.