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Finding the Third Proportional to 18,028.69 and 28,275.75

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Solution

The third proportional to 18,028.69 and 28,275.75 is: 44,346.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.69 : 28,275.75 = 28,275.75 : x
  2. Step 2: Convert to fraction form
    18,028.69/28,275.75 = 28,275.75/x
  3. Step 3: Cross multiply
    18,028.69x = 28,275.75 × 28,275.75
  4. Step 4: Simplify right side
    18,028.69x = 799,518,038.06
  5. Step 5: Solve for x
    x = 799,518,038.06/18,028.69
  6. Step 6: Final answer
    x = 44,346.99

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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.