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Finding the Third Proportional to 7,794.38 and 16,921.50

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Solution

The third proportional to 7,794.38 and 16,921.50 is: 36,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.38 : 16,921.50 = 16,921.50 : x
  2. Step 2: Convert to fraction form
    7,794.38/16,921.50 = 16,921.50/x
  3. Step 3: Cross multiply
    7,794.38x = 16,921.50 × 16,921.50
  4. Step 4: Simplify right side
    7,794.38x = 286,337,162.25
  5. Step 5: Solve for x
    x = 286,337,162.25/7,794.38
  6. Step 6: Final answer
    x = 36,736.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.