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Finding the Third Proportional to 3,258 and 6,724

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Solution

The third proportional to 3,258 and 6,724 is: 13,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258 : 6,724 = 6,724 : x
  2. Step 2: Convert to fraction form
    3,258/6,724 = 6,724/x
  3. Step 3: Cross multiply
    3,258x = 6,724 × 6,724
  4. Step 4: Simplify right side
    3,258x = 45,212,176
  5. Step 5: Solve for x
    x = 45,212,176/3,258
  6. Step 6: Final answer
    x = 13,877.28

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.