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Finding the Third Proportional to 188,512.50 and 409,749

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Solution

The third proportional to 188,512.50 and 409,749 is: 890,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,512.50 : 409,749 = 409,749 : x
  2. Step 2: Convert to fraction form
    188,512.50/409,749 = 409,749/x
  3. Step 3: Cross multiply
    188,512.50x = 409,749 × 409,749
  4. Step 4: Simplify right side
    188,512.50x = 167,894,243,001
  5. Step 5: Solve for x
    x = 167,894,243,001/188,512.50
  6. Step 6: Final answer
    x = 890,626.58

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.