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Finding the Third Proportional to 3,246 and 6,816

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Solution

The third proportional to 3,246 and 6,816 is: 14,312.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246 : 6,816 = 6,816 : x
  2. Step 2: Convert to fraction form
    3,246/6,816 = 6,816/x
  3. Step 3: Cross multiply
    3,246x = 6,816 × 6,816
  4. Step 4: Simplify right side
    3,246x = 46,457,856
  5. Step 5: Solve for x
    x = 46,457,856/3,246
  6. Step 6: Final answer
    x = 14,312.34

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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.