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Finding the Third Proportional to 9,324 and 20,112

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Solution

The third proportional to 9,324 and 20,112 is: 43,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324 : 20,112 = 20,112 : x
  2. Step 2: Convert to fraction form
    9,324/20,112 = 20,112/x
  3. Step 3: Cross multiply
    9,324x = 20,112 × 20,112
  4. Step 4: Simplify right side
    9,324x = 404,492,544
  5. Step 5: Solve for x
    x = 404,492,544/9,324
  6. Step 6: Final answer
    x = 43,381.87

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1.5x scale

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.