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Finding the Third Proportional to 18,607.54 and 28,082.64

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Solution

The third proportional to 18,607.54 and 28,082.64 is: 42,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.54 : 28,082.64 = 28,082.64 : x
  2. Step 2: Convert to fraction form
    18,607.54/28,082.64 = 28,082.64/x
  3. Step 3: Cross multiply
    18,607.54x = 28,082.64 × 28,082.64
  4. Step 4: Simplify right side
    18,607.54x = 788,634,485.08
  5. Step 5: Solve for x
    x = 788,634,485.08/18,607.54
  6. Step 6: Final answer
    x = 42,382.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.