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Finding the Third Proportional to 20,416.50 and 36,933.75

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Solution

The third proportional to 20,416.50 and 36,933.75 is: 66,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416.50 : 36,933.75 = 36,933.75 : x
  2. Step 2: Convert to fraction form
    20,416.50/36,933.75 = 36,933.75/x
  3. Step 3: Cross multiply
    20,416.50x = 36,933.75 × 36,933.75
  4. Step 4: Simplify right side
    20,416.50x = 1,364,101,889.06
  5. Step 5: Solve for x
    x = 1,364,101,889.06/20,416.50
  6. Step 6: Final answer
    x = 66,813.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.