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Finding the Third Proportional to 4,783 and 5,539

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Solution

The third proportional to 4,783 and 5,539 is: 6,414.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783 : 5,539 = 5,539 : x
  2. Step 2: Convert to fraction form
    4,783/5,539 = 5,539/x
  3. Step 3: Cross multiply
    4,783x = 5,539 × 5,539
  4. Step 4: Simplify right side
    4,783x = 30,680,521
  5. Step 5: Solve for x
    x = 30,680,521/4,783
  6. Step 6: Final answer
    x = 6,414.49

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.