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Finding the Third Proportional to 11,349.50 and 18,756.75

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Solution

The third proportional to 11,349.50 and 18,756.75 is: 30,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.50 : 18,756.75 = 18,756.75 : x
  2. Step 2: Convert to fraction form
    11,349.50/18,756.75 = 18,756.75/x
  3. Step 3: Cross multiply
    11,349.50x = 18,756.75 × 18,756.75
  4. Step 4: Simplify right side
    11,349.50x = 351,815,670.56
  5. Step 5: Solve for x
    x = 351,815,670.56/11,349.50
  6. Step 6: Final answer
    x = 30,998.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.