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Finding the Third Proportional to 5,276 and 11,318

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Solution

The third proportional to 5,276 and 11,318 is: 24,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276 : 11,318 = 11,318 : x
  2. Step 2: Convert to fraction form
    5,276/11,318 = 11,318/x
  3. Step 3: Cross multiply
    5,276x = 11,318 × 11,318
  4. Step 4: Simplify right side
    5,276x = 128,097,124
  5. Step 5: Solve for x
    x = 128,097,124/5,276
  6. Step 6: Final answer
    x = 24,279.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.