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Finding the Third Proportional to 11,521 and 16,653.75

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Solution

The third proportional to 11,521 and 16,653.75 is: 24,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521 : 16,653.75 = 16,653.75 : x
  2. Step 2: Convert to fraction form
    11,521/16,653.75 = 16,653.75/x
  3. Step 3: Cross multiply
    11,521x = 16,653.75 × 16,653.75
  4. Step 4: Simplify right side
    11,521x = 277,347,389.06
  5. Step 5: Solve for x
    x = 277,347,389.06/11,521
  6. Step 6: Final answer
    x = 24,073.20

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.