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Finding the Third Proportional to 18,225 and 28,157.63

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Solution

The third proportional to 18,225 and 28,157.63 is: 43,503.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225 : 28,157.63 = 28,157.63 : x
  2. Step 2: Convert to fraction form
    18,225/28,157.63 = 28,157.63/x
  3. Step 3: Cross multiply
    18,225x = 28,157.63 × 28,157.63
  4. Step 4: Simplify right side
    18,225x = 792,851,845.64
  5. Step 5: Solve for x
    x = 792,851,845.64/18,225
  6. Step 6: Final answer
    x = 43,503.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.