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Finding the Third Proportional to 12,993.75 and 20,926.13

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Solution

The third proportional to 12,993.75 and 20,926.13 is: 33,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993.75 : 20,926.13 = 20,926.13 : x
  2. Step 2: Convert to fraction form
    12,993.75/20,926.13 = 20,926.13/x
  3. Step 3: Cross multiply
    12,993.75x = 20,926.13 × 20,926.13
  4. Step 4: Simplify right side
    12,993.75x = 437,902,707.52
  5. Step 5: Solve for x
    x = 437,902,707.52/12,993.75
  6. Step 6: Final answer
    x = 33,701.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.