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Finding the Third Proportional to 10,916 and 16,466

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Solution

The third proportional to 10,916 and 16,466 is: 24,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916 : 16,466 = 16,466 : x
  2. Step 2: Convert to fraction form
    10,916/16,466 = 16,466/x
  3. Step 3: Cross multiply
    10,916x = 16,466 × 16,466
  4. Step 4: Simplify right side
    10,916x = 271,129,156
  5. Step 5: Solve for x
    x = 271,129,156/10,916
  6. Step 6: Final answer
    x = 24,837.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.