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Finding the Third Proportional to 7,856 and 16,934

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Solution

The third proportional to 7,856 and 16,934 is: 36,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856 : 16,934 = 16,934 : x
  2. Step 2: Convert to fraction form
    7,856/16,934 = 16,934/x
  3. Step 3: Cross multiply
    7,856x = 16,934 × 16,934
  4. Step 4: Simplify right side
    7,856x = 286,760,356
  5. Step 5: Solve for x
    x = 286,760,356/7,856
  6. Step 6: Final answer
    x = 36,502.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.