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Finding the Third Proportional to 4,785 and 5,235

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Solution

The third proportional to 4,785 and 5,235 is: 5,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785 : 5,235 = 5,235 : x
  2. Step 2: Convert to fraction form
    4,785/5,235 = 5,235/x
  3. Step 3: Cross multiply
    4,785x = 5,235 × 5,235
  4. Step 4: Simplify right side
    4,785x = 27,405,225
  5. Step 5: Solve for x
    x = 27,405,225/4,785
  6. Step 6: Final answer
    x = 5,727.32

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.