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Finding the Third Proportional to 280,861.50 and 601,251

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Solution

The third proportional to 280,861.50 and 601,251 is: 1,287,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,861.50 : 601,251 = 601,251 : x
  2. Step 2: Convert to fraction form
    280,861.50/601,251 = 601,251/x
  3. Step 3: Cross multiply
    280,861.50x = 601,251 × 601,251
  4. Step 4: Simplify right side
    280,861.50x = 361,502,765,001
  5. Step 5: Solve for x
    x = 361,502,765,001/280,861.50
  6. Step 6: Final answer
    x = 1,287,121.11

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.