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Finding the Third Proportional to 9,620 and 19,348

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Solution

The third proportional to 9,620 and 19,348 is: 38,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620 : 19,348 = 19,348 : x
  2. Step 2: Convert to fraction form
    9,620/19,348 = 19,348/x
  3. Step 3: Cross multiply
    9,620x = 19,348 × 19,348
  4. Step 4: Simplify right side
    9,620x = 374,345,104
  5. Step 5: Solve for x
    x = 374,345,104/9,620
  6. Step 6: Final answer
    x = 38,913.21

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Why These Related Problems?

These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.