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Finding the Third Proportional to 18,560 and 26,816

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Solution

The third proportional to 18,560 and 26,816 is: 38,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560 : 26,816 = 26,816 : x
  2. Step 2: Convert to fraction form
    18,560/26,816 = 26,816/x
  3. Step 3: Cross multiply
    18,560x = 26,816 × 26,816
  4. Step 4: Simplify right side
    18,560x = 719,097,856
  5. Step 5: Solve for x
    x = 719,097,856/18,560
  6. Step 6: Final answer
    x = 38,744.50

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.