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Finding the Third Proportional to 3,025 and 3,935.50

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Solution

The third proportional to 3,025 and 3,935.50 is: 5,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025 : 3,935.50 = 3,935.50 : x
  2. Step 2: Convert to fraction form
    3,025/3,935.50 = 3,935.50/x
  3. Step 3: Cross multiply
    3,025x = 3,935.50 × 3,935.50
  4. Step 4: Simplify right side
    3,025x = 15,488,160.25
  5. Step 5: Solve for x
    x = 15,488,160.25/3,025
  6. Step 6: Final answer
    x = 5,120.05

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.