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Finding the Third Proportional to 186,692 and 281,388

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Solution

The third proportional to 186,692 and 281,388 is: 424,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,692 : 281,388 = 281,388 : x
  2. Step 2: Convert to fraction form
    186,692/281,388 = 281,388/x
  3. Step 3: Cross multiply
    186,692x = 281,388 × 281,388
  4. Step 4: Simplify right side
    186,692x = 79,179,206,544
  5. Step 5: Solve for x
    x = 79,179,206,544/186,692
  6. Step 6: Final answer
    x = 424,116.76

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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.