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Finding the Third Proportional to 3,135 and 4,851

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Solution

The third proportional to 3,135 and 4,851 is: 7,506.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135 : 4,851 = 4,851 : x
  2. Step 2: Convert to fraction form
    3,135/4,851 = 4,851/x
  3. Step 3: Cross multiply
    3,135x = 4,851 × 4,851
  4. Step 4: Simplify right side
    3,135x = 23,532,201
  5. Step 5: Solve for x
    x = 23,532,201/3,135
  6. Step 6: Final answer
    x = 7,506.28

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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.