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Finding the Third Proportional to 7,774 and 18,353

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Solution

The third proportional to 7,774 and 18,353 is: 43,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774 : 18,353 = 18,353 : x
  2. Step 2: Convert to fraction form
    7,774/18,353 = 18,353/x
  3. Step 3: Cross multiply
    7,774x = 18,353 × 18,353
  4. Step 4: Simplify right side
    7,774x = 336,832,609
  5. Step 5: Solve for x
    x = 336,832,609/7,774
  6. Step 6: Final answer
    x = 43,328.09

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.