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Finding the Third Proportional to 7,882 and 16,816

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Solution

The third proportional to 7,882 and 16,816 is: 35,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882 : 16,816 = 16,816 : x
  2. Step 2: Convert to fraction form
    7,882/16,816 = 16,816/x
  3. Step 3: Cross multiply
    7,882x = 16,816 × 16,816
  4. Step 4: Simplify right side
    7,882x = 282,777,856
  5. Step 5: Solve for x
    x = 282,777,856/7,882
  6. Step 6: Final answer
    x = 35,876.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.