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Finding the Third Proportional to 18,208 and 25,560

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Solution

The third proportional to 18,208 and 25,560 is: 35,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208 : 25,560 = 25,560 : x
  2. Step 2: Convert to fraction form
    18,208/25,560 = 25,560/x
  3. Step 3: Cross multiply
    18,208x = 25,560 × 25,560
  4. Step 4: Simplify right side
    18,208x = 653,313,600
  5. Step 5: Solve for x
    x = 653,313,600/18,208
  6. Step 6: Final answer
    x = 35,880.58

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.