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Finding the Third Proportional to 3,418 and 5,303

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Solution

The third proportional to 3,418 and 5,303 is: 8,227.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418 : 5,303 = 5,303 : x
  2. Step 2: Convert to fraction form
    3,418/5,303 = 5,303/x
  3. Step 3: Cross multiply
    3,418x = 5,303 × 5,303
  4. Step 4: Simplify right side
    3,418x = 28,121,809
  5. Step 5: Solve for x
    x = 28,121,809/3,418
  6. Step 6: Final answer
    x = 8,227.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.