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Finding the Third Proportional to 186,492 and 281,286

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Solution

The third proportional to 186,492 and 281,286 is: 424,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,492 : 281,286 = 281,286 : x
  2. Step 2: Convert to fraction form
    186,492/281,286 = 281,286/x
  3. Step 3: Cross multiply
    186,492x = 281,286 × 281,286
  4. Step 4: Simplify right side
    186,492x = 79,121,813,796
  5. Step 5: Solve for x
    x = 79,121,813,796/186,492
  6. Step 6: Final answer
    x = 424,263.85

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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.