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Finding the Third Proportional to 11,767 and 18,457

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Solution

The third proportional to 11,767 and 18,457 is: 28,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767 : 18,457 = 18,457 : x
  2. Step 2: Convert to fraction form
    11,767/18,457 = 18,457/x
  3. Step 3: Cross multiply
    11,767x = 18,457 × 18,457
  4. Step 4: Simplify right side
    11,767x = 340,660,849
  5. Step 5: Solve for x
    x = 340,660,849/11,767
  6. Step 6: Final answer
    x = 28,950.53

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.