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Finding the Third Proportional to 9,616 and 19,708

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Solution

The third proportional to 9,616 and 19,708 is: 40,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,616 : 19,708 = 19,708 : x
  2. Step 2: Convert to fraction form
    9,616/19,708 = 19,708/x
  3. Step 3: Cross multiply
    9,616x = 19,708 × 19,708
  4. Step 4: Simplify right side
    9,616x = 388,405,264
  5. Step 5: Solve for x
    x = 388,405,264/9,616
  6. Step 6: Final answer
    x = 40,391.56

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.