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Finding the Third Proportional to 18,104 and 26,509

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Solution

The third proportional to 18,104 and 26,509 is: 38,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104 : 26,509 = 26,509 : x
  2. Step 2: Convert to fraction form
    18,104/26,509 = 26,509/x
  3. Step 3: Cross multiply
    18,104x = 26,509 × 26,509
  4. Step 4: Simplify right side
    18,104x = 702,727,081
  5. Step 5: Solve for x
    x = 702,727,081/18,104
  6. Step 6: Final answer
    x = 38,816.12

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.