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Finding the Third Proportional to 187,338 and 281,010

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Solution

The third proportional to 187,338 and 281,010 is: 421,519.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,338 : 281,010 = 281,010 : x
  2. Step 2: Convert to fraction form
    187,338/281,010 = 281,010/x
  3. Step 3: Cross multiply
    187,338x = 281,010 × 281,010
  4. Step 4: Simplify right side
    187,338x = 78,966,620,100
  5. Step 5: Solve for x
    x = 78,966,620,100/187,338
  6. Step 6: Final answer
    x = 421,519.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.