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Finding the Third Proportional to 4,906 and 5,326

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Solution

The third proportional to 4,906 and 5,326 is: 5,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906 : 5,326 = 5,326 : x
  2. Step 2: Convert to fraction form
    4,906/5,326 = 5,326/x
  3. Step 3: Cross multiply
    4,906x = 5,326 × 5,326
  4. Step 4: Simplify right side
    4,906x = 28,366,276
  5. Step 5: Solve for x
    x = 28,366,276/4,906
  6. Step 6: Final answer
    x = 5,781.96

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.