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Finding the Third Proportional to 3,998 and 6,735

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Solution

The third proportional to 3,998 and 6,735 is: 11,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998 : 6,735 = 6,735 : x
  2. Step 2: Convert to fraction form
    3,998/6,735 = 6,735/x
  3. Step 3: Cross multiply
    3,998x = 6,735 × 6,735
  4. Step 4: Simplify right side
    3,998x = 45,360,225
  5. Step 5: Solve for x
    x = 45,360,225/3,998
  6. Step 6: Final answer
    x = 11,345.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.