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Finding the Third Proportional to 25,938 and 40,418

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Solution

The third proportional to 25,938 and 40,418 is: 62,981.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,938 : 40,418 = 40,418 : x
  2. Step 2: Convert to fraction form
    25,938/40,418 = 40,418/x
  3. Step 3: Cross multiply
    25,938x = 40,418 × 40,418
  4. Step 4: Simplify right side
    25,938x = 1,633,614,724
  5. Step 5: Solve for x
    x = 1,633,614,724/25,938
  6. Step 6: Final answer
    x = 62,981.52

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.