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Finding the Third Proportional to 25,318 and 40,241

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Solution

The third proportional to 25,318 and 40,241 is: 63,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,318 : 40,241 = 40,241 : x
  2. Step 2: Convert to fraction form
    25,318/40,241 = 40,241/x
  3. Step 3: Cross multiply
    25,318x = 40,241 × 40,241
  4. Step 4: Simplify right side
    25,318x = 1,619,338,081
  5. Step 5: Solve for x
    x = 1,619,338,081/25,318
  6. Step 6: Final answer
    x = 63,959.95

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.