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Finding the Third Proportional to 14,208 and 18,656

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Solution

The third proportional to 14,208 and 18,656 is: 24,496.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208 : 18,656 = 18,656 : x
  2. Step 2: Convert to fraction form
    14,208/18,656 = 18,656/x
  3. Step 3: Cross multiply
    14,208x = 18,656 × 18,656
  4. Step 4: Simplify right side
    14,208x = 348,046,336
  5. Step 5: Solve for x
    x = 348,046,336/14,208
  6. Step 6: Final answer
    x = 24,496.50

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.