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Finding the Third Proportional to 4,880 and 11,308

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Solution

The third proportional to 4,880 and 11,308 is: 26,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880 : 11,308 = 11,308 : x
  2. Step 2: Convert to fraction form
    4,880/11,308 = 11,308/x
  3. Step 3: Cross multiply
    4,880x = 11,308 × 11,308
  4. Step 4: Simplify right side
    4,880x = 127,870,864
  5. Step 5: Solve for x
    x = 127,870,864/4,880
  6. Step 6: Final answer
    x = 26,203.05

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.