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Finding the Third Proportional to 7,700.50 and 16,631

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Solution

The third proportional to 7,700.50 and 16,631 is: 35,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.50 : 16,631 = 16,631 : x
  2. Step 2: Convert to fraction form
    7,700.50/16,631 = 16,631/x
  3. Step 3: Cross multiply
    7,700.50x = 16,631 × 16,631
  4. Step 4: Simplify right side
    7,700.50x = 276,590,161
  5. Step 5: Solve for x
    x = 276,590,161/7,700.50
  6. Step 6: Final answer
    x = 35,918.47

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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.