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Finding the Third Proportional to 9,280 and 20,224

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Solution

The third proportional to 9,280 and 20,224 is: 44,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280 : 20,224 = 20,224 : x
  2. Step 2: Convert to fraction form
    9,280/20,224 = 20,224/x
  3. Step 3: Cross multiply
    9,280x = 20,224 × 20,224
  4. Step 4: Simplify right side
    9,280x = 409,010,176
  5. Step 5: Solve for x
    x = 409,010,176/9,280
  6. Step 6: Final answer
    x = 44,074.37

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.