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Finding the Third Proportional to 18,526 and 40,424

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Solution

The third proportional to 18,526 and 40,424 is: 88,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526 : 40,424 = 40,424 : x
  2. Step 2: Convert to fraction form
    18,526/40,424 = 40,424/x
  3. Step 3: Cross multiply
    18,526x = 40,424 × 40,424
  4. Step 4: Simplify right side
    18,526x = 1,634,099,776
  5. Step 5: Solve for x
    x = 1,634,099,776/18,526
  6. Step 6: Final answer
    x = 88,205.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.