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Finding the Third Proportional to 18,336 and 35,213

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Solution

The third proportional to 18,336 and 35,213 is: 67,624.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336 : 35,213 = 35,213 : x
  2. Step 2: Convert to fraction form
    18,336/35,213 = 35,213/x
  3. Step 3: Cross multiply
    18,336x = 35,213 × 35,213
  4. Step 4: Simplify right side
    18,336x = 1,239,955,369
  5. Step 5: Solve for x
    x = 1,239,955,369/18,336
  6. Step 6: Final answer
    x = 67,624.09

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.