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Finding the Third Proportional to 7,711.45 and 16,653.09

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Solution

The third proportional to 7,711.45 and 16,653.09 is: 35,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.45 : 16,653.09 = 16,653.09 : x
  2. Step 2: Convert to fraction form
    7,711.45/16,653.09 = 16,653.09/x
  3. Step 3: Cross multiply
    7,711.45x = 16,653.09 × 16,653.09
  4. Step 4: Simplify right side
    7,711.45x = 277,325,531.45
  5. Step 5: Solve for x
    x = 277,325,531.45/7,711.45
  6. Step 6: Final answer
    x = 35,962.81

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.