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Finding the Third Proportional to 4,856.50 and 10,685

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Solution

The third proportional to 4,856.50 and 10,685 is: 23,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.50 : 10,685 = 10,685 : x
  2. Step 2: Convert to fraction form
    4,856.50/10,685 = 10,685/x
  3. Step 3: Cross multiply
    4,856.50x = 10,685 × 10,685
  4. Step 4: Simplify right side
    4,856.50x = 114,169,225
  5. Step 5: Solve for x
    x = 114,169,225/4,856.50
  6. Step 6: Final answer
    x = 23,508.54

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.