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Finding the Third Proportional to 5,458 and 7,483

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Solution

The third proportional to 5,458 and 7,483 is: 10,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458 : 7,483 = 7,483 : x
  2. Step 2: Convert to fraction form
    5,458/7,483 = 7,483/x
  3. Step 3: Cross multiply
    5,458x = 7,483 × 7,483
  4. Step 4: Simplify right side
    5,458x = 55,995,289
  5. Step 5: Solve for x
    x = 55,995,289/5,458
  6. Step 6: Final answer
    x = 10,259.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.