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Finding the Third Proportional to 20,434.50 and 27,735.75

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Solution

The third proportional to 20,434.50 and 27,735.75 is: 37,645.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,434.50 : 27,735.75 = 27,735.75 : x
  2. Step 2: Convert to fraction form
    20,434.50/27,735.75 = 27,735.75/x
  3. Step 3: Cross multiply
    20,434.50x = 27,735.75 × 27,735.75
  4. Step 4: Simplify right side
    20,434.50x = 769,271,828.06
  5. Step 5: Solve for x
    x = 769,271,828.06/20,434.50
  6. Step 6: Final answer
    x = 37,645.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.