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Finding the Third Proportional to 16,219.13 and 20,724.75

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Solution

The third proportional to 16,219.13 and 20,724.75 is: 26,482.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.13 : 20,724.75 = 20,724.75 : x
  2. Step 2: Convert to fraction form
    16,219.13/20,724.75 = 20,724.75/x
  3. Step 3: Cross multiply
    16,219.13x = 20,724.75 × 20,724.75
  4. Step 4: Simplify right side
    16,219.13x = 429,515,262.56
  5. Step 5: Solve for x
    x = 429,515,262.56/16,219.13
  6. Step 6: Final answer
    x = 26,482.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.