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Finding the Third Proportional to 5,278 and 9,458

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Solution

The third proportional to 5,278 and 9,458 is: 16,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278 : 9,458 = 9,458 : x
  2. Step 2: Convert to fraction form
    5,278/9,458 = 9,458/x
  3. Step 3: Cross multiply
    5,278x = 9,458 × 9,458
  4. Step 4: Simplify right side
    5,278x = 89,453,764
  5. Step 5: Solve for x
    x = 89,453,764/5,278
  6. Step 6: Final answer
    x = 16,948.42

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.