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Finding the Third Proportional to 18,835.03 and 28,443.66

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Solution

The third proportional to 18,835.03 and 28,443.66 is: 42,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.03 : 28,443.66 = 28,443.66 : x
  2. Step 2: Convert to fraction form
    18,835.03/28,443.66 = 28,443.66/x
  3. Step 3: Cross multiply
    18,835.03x = 28,443.66 × 28,443.66
  4. Step 4: Simplify right side
    18,835.03x = 809,041,580.87
  5. Step 5: Solve for x
    x = 809,041,580.87/18,835.03
  6. Step 6: Final answer
    x = 42,954.09

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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.