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Finding the Third Proportional to 2,135 and 3,235

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Solution

The third proportional to 2,135 and 3,235 is: 4,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135 : 3,235 = 3,235 : x
  2. Step 2: Convert to fraction form
    2,135/3,235 = 3,235/x
  3. Step 3: Cross multiply
    2,135x = 3,235 × 3,235
  4. Step 4: Simplify right side
    2,135x = 10,465,225
  5. Step 5: Solve for x
    x = 10,465,225/2,135
  6. Step 6: Final answer
    x = 4,901.74

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.