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Finding the Third Proportional to 18,495.75 and 28,983.19

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Solution

The third proportional to 18,495.75 and 28,983.19 is: 45,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.75 : 28,983.19 = 28,983.19 : x
  2. Step 2: Convert to fraction form
    18,495.75/28,983.19 = 28,983.19/x
  3. Step 3: Cross multiply
    18,495.75x = 28,983.19 × 28,983.19
  4. Step 4: Simplify right side
    18,495.75x = 840,025,157.66
  5. Step 5: Solve for x
    x = 840,025,157.66/18,495.75
  6. Step 6: Final answer
    x = 45,417.20

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Why These Related Problems?

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