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Finding the Third Proportional to 11,118 and 16,557

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Solution

The third proportional to 11,118 and 16,557 is: 24,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118 : 16,557 = 16,557 : x
  2. Step 2: Convert to fraction form
    11,118/16,557 = 16,557/x
  3. Step 3: Cross multiply
    11,118x = 16,557 × 16,557
  4. Step 4: Simplify right side
    11,118x = 274,134,249
  5. Step 5: Solve for x
    x = 274,134,249/11,118
  6. Step 6: Final answer
    x = 24,656.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.