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Finding the Third Proportional to 18,414.25 and 28,157.25

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Solution

The third proportional to 18,414.25 and 28,157.25 is: 43,055.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.25 : 28,157.25 = 28,157.25 : x
  2. Step 2: Convert to fraction form
    18,414.25/28,157.25 = 28,157.25/x
  3. Step 3: Cross multiply
    18,414.25x = 28,157.25 × 28,157.25
  4. Step 4: Simplify right side
    18,414.25x = 792,830,727.56
  5. Step 5: Solve for x
    x = 792,830,727.56/18,414.25
  6. Step 6: Final answer
    x = 43,055.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.