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Finding the Third Proportional to 9,328 and 19,706

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Solution

The third proportional to 9,328 and 19,706 is: 41,630.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328 : 19,706 = 19,706 : x
  2. Step 2: Convert to fraction form
    9,328/19,706 = 19,706/x
  3. Step 3: Cross multiply
    9,328x = 19,706 × 19,706
  4. Step 4: Simplify right side
    9,328x = 388,326,436
  5. Step 5: Solve for x
    x = 388,326,436/9,328
  6. Step 6: Final answer
    x = 41,630.19

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.