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Finding the Third Proportional to 14,220 and 18,324

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Solution

The third proportional to 14,220 and 18,324 is: 23,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220 : 18,324 = 18,324 : x
  2. Step 2: Convert to fraction form
    14,220/18,324 = 18,324/x
  3. Step 3: Cross multiply
    14,220x = 18,324 × 18,324
  4. Step 4: Simplify right side
    14,220x = 335,768,976
  5. Step 5: Solve for x
    x = 335,768,976/14,220
  6. Step 6: Final answer
    x = 23,612.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.