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Finding the Third Proportional to 25,922 and 40,215

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Solution

The third proportional to 25,922 and 40,215 is: 62,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,922 : 40,215 = 40,215 : x
  2. Step 2: Convert to fraction form
    25,922/40,215 = 40,215/x
  3. Step 3: Cross multiply
    25,922x = 40,215 × 40,215
  4. Step 4: Simplify right side
    25,922x = 1,617,246,225
  5. Step 5: Solve for x
    x = 1,617,246,225/25,922
  6. Step 6: Final answer
    x = 62,388.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.