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Finding the Third Proportional to 9,200 and 18,656

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Solution

The third proportional to 9,200 and 18,656 is: 37,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200 : 18,656 = 18,656 : x
  2. Step 2: Convert to fraction form
    9,200/18,656 = 18,656/x
  3. Step 3: Cross multiply
    9,200x = 18,656 × 18,656
  4. Step 4: Simplify right side
    9,200x = 348,046,336
  5. Step 5: Solve for x
    x = 348,046,336/9,200
  6. Step 6: Final answer
    x = 37,831.12

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.