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Finding the Third Proportional to 4,884 and 5,556

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Solution

The third proportional to 4,884 and 5,556 is: 6,320.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884 : 5,556 = 5,556 : x
  2. Step 2: Convert to fraction form
    4,884/5,556 = 5,556/x
  3. Step 3: Cross multiply
    4,884x = 5,556 × 5,556
  4. Step 4: Simplify right side
    4,884x = 30,869,136
  5. Step 5: Solve for x
    x = 30,869,136/4,884
  6. Step 6: Final answer
    x = 6,320.46

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.