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Finding the Third Proportional to 5,701.50 and 10,215

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Solution

The third proportional to 5,701.50 and 10,215 is: 18,301.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,701.50 : 10,215 = 10,215 : x
  2. Step 2: Convert to fraction form
    5,701.50/10,215 = 10,215/x
  3. Step 3: Cross multiply
    5,701.50x = 10,215 × 10,215
  4. Step 4: Simplify right side
    5,701.50x = 104,346,225
  5. Step 5: Solve for x
    x = 104,346,225/5,701.50
  6. Step 6: Final answer
    x = 18,301.54

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.