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Finding the Third Proportional to 4,284 and 5,775

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Solution

The third proportional to 4,284 and 5,775 is: 7,784.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284 : 5,775 = 5,775 : x
  2. Step 2: Convert to fraction form
    4,284/5,775 = 5,775/x
  3. Step 3: Cross multiply
    4,284x = 5,775 × 5,775
  4. Step 4: Simplify right side
    4,284x = 33,350,625
  5. Step 5: Solve for x
    x = 33,350,625/4,284
  6. Step 6: Final answer
    x = 7,784.93

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.