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Finding the Third Proportional to 20,624 and 22,208

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Solution

The third proportional to 20,624 and 22,208 is: 23,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624 : 22,208 = 22,208 : x
  2. Step 2: Convert to fraction form
    20,624/22,208 = 22,208/x
  3. Step 3: Cross multiply
    20,624x = 22,208 × 22,208
  4. Step 4: Simplify right side
    20,624x = 493,195,264
  5. Step 5: Solve for x
    x = 493,195,264/20,624
  6. Step 6: Final answer
    x = 23,913.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.