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Finding the Third Proportional to 187,668 and 274,207.50

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Solution

The third proportional to 187,668 and 274,207.50 is: 400,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,668 : 274,207.50 = 274,207.50 : x
  2. Step 2: Convert to fraction form
    187,668/274,207.50 = 274,207.50/x
  3. Step 3: Cross multiply
    187,668x = 274,207.50 × 274,207.50
  4. Step 4: Simplify right side
    187,668x = 75,189,753,056.25
  5. Step 5: Solve for x
    x = 75,189,753,056.25/187,668
  6. Step 6: Final answer
    x = 400,653.03

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.