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Finding the Third Proportional to 2,385 and 3,505

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Solution

The third proportional to 2,385 and 3,505 is: 5,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385 : 3,505 = 3,505 : x
  2. Step 2: Convert to fraction form
    2,385/3,505 = 3,505/x
  3. Step 3: Cross multiply
    2,385x = 3,505 × 3,505
  4. Step 4: Simplify right side
    2,385x = 12,285,025
  5. Step 5: Solve for x
    x = 12,285,025/2,385
  6. Step 6: Final answer
    x = 5,150.95

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.