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Finding the Third Proportional to 18,937.50 and 29,363.25

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Solution

The third proportional to 18,937.50 and 29,363.25 is: 45,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.50 : 29,363.25 = 29,363.25 : x
  2. Step 2: Convert to fraction form
    18,937.50/29,363.25 = 29,363.25/x
  3. Step 3: Cross multiply
    18,937.50x = 29,363.25 × 29,363.25
  4. Step 4: Simplify right side
    18,937.50x = 862,200,450.56
  5. Step 5: Solve for x
    x = 862,200,450.56/18,937.50
  6. Step 6: Final answer
    x = 45,528.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.