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Finding the Third Proportional to 6,934.50 and 11,445.75

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Solution

The third proportional to 6,934.50 and 11,445.75 is: 18,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,934.50 : 11,445.75 = 11,445.75 : x
  2. Step 2: Convert to fraction form
    6,934.50/11,445.75 = 11,445.75/x
  3. Step 3: Cross multiply
    6,934.50x = 11,445.75 × 11,445.75
  4. Step 4: Simplify right side
    6,934.50x = 131,005,193.06
  5. Step 5: Solve for x
    x = 131,005,193.06/6,934.50
  6. Step 6: Final answer
    x = 18,891.80

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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.