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Finding the Third Proportional to 18,916 and 22,014

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Solution

The third proportional to 18,916 and 22,014 is: 25,619.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916 : 22,014 = 22,014 : x
  2. Step 2: Convert to fraction form
    18,916/22,014 = 22,014/x
  3. Step 3: Cross multiply
    18,916x = 22,014 × 22,014
  4. Step 4: Simplify right side
    18,916x = 484,616,196
  5. Step 5: Solve for x
    x = 484,616,196/18,916
  6. Step 6: Final answer
    x = 25,619.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.