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Finding the Third Proportional to 20,265.19 and 28,522.13

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Solution

The third proportional to 20,265.19 and 28,522.13 is: 40,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265.19 : 28,522.13 = 28,522.13 : x
  2. Step 2: Convert to fraction form
    20,265.19/28,522.13 = 28,522.13/x
  3. Step 3: Cross multiply
    20,265.19x = 28,522.13 × 28,522.13
  4. Step 4: Simplify right side
    20,265.19x = 813,511,614.52
  5. Step 5: Solve for x
    x = 813,511,614.52/20,265.19
  6. Step 6: Final answer
    x = 40,143.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.