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Finding the Third Proportional to 3,588 and 6,816

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Solution

The third proportional to 3,588 and 6,816 is: 12,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588 : 6,816 = 6,816 : x
  2. Step 2: Convert to fraction form
    3,588/6,816 = 6,816/x
  3. Step 3: Cross multiply
    3,588x = 6,816 × 6,816
  4. Step 4: Simplify right side
    3,588x = 46,457,856
  5. Step 5: Solve for x
    x = 46,457,856/3,588
  6. Step 6: Final answer
    x = 12,948.12

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.