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Finding the Third Proportional to 18,119.25 and 28,825.88

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Solution

The third proportional to 18,119.25 and 28,825.88 is: 45,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.25 : 28,825.88 = 28,825.88 : x
  2. Step 2: Convert to fraction form
    18,119.25/28,825.88 = 28,825.88/x
  3. Step 3: Cross multiply
    18,119.25x = 28,825.88 × 28,825.88
  4. Step 4: Simplify right side
    18,119.25x = 830,931,069.52
  5. Step 5: Solve for x
    x = 830,931,069.52/18,119.25
  6. Step 6: Final answer
    x = 45,859.02

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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.