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Finding the Third Proportional to 18,933.75 and 29,703.50

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Solution

The third proportional to 18,933.75 and 29,703.50 is: 46,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.75 : 29,703.50 = 29,703.50 : x
  2. Step 2: Convert to fraction form
    18,933.75/29,703.50 = 29,703.50/x
  3. Step 3: Cross multiply
    18,933.75x = 29,703.50 × 29,703.50
  4. Step 4: Simplify right side
    18,933.75x = 882,297,912.25
  5. Step 5: Solve for x
    x = 882,297,912.25/18,933.75
  6. Step 6: Final answer
    x = 46,599.22

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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.