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Finding the Third Proportional to 5,349 and 12,885.75

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Solution

The third proportional to 5,349 and 12,885.75 is: 31,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349 : 12,885.75 = 12,885.75 : x
  2. Step 2: Convert to fraction form
    5,349/12,885.75 = 12,885.75/x
  3. Step 3: Cross multiply
    5,349x = 12,885.75 × 12,885.75
  4. Step 4: Simplify right side
    5,349x = 166,042,553.06
  5. Step 5: Solve for x
    x = 166,042,553.06/5,349
  6. Step 6: Final answer
    x = 31,041.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.