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Finding the Third Proportional to 6,433.50 and 13,515

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Solution

The third proportional to 6,433.50 and 13,515 is: 28,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.50 : 13,515 = 13,515 : x
  2. Step 2: Convert to fraction form
    6,433.50/13,515 = 13,515/x
  3. Step 3: Cross multiply
    6,433.50x = 13,515 × 13,515
  4. Step 4: Simplify right side
    6,433.50x = 182,655,225
  5. Step 5: Solve for x
    x = 182,655,225/6,433.50
  6. Step 6: Final answer
    x = 28,391.27

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.