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Finding the Third Proportional to 20,292.47 and 27,644.20

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Solution

The third proportional to 20,292.47 and 27,644.20 is: 37,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.47 : 27,644.20 = 27,644.20 : x
  2. Step 2: Convert to fraction form
    20,292.47/27,644.20 = 27,644.20/x
  3. Step 3: Cross multiply
    20,292.47x = 27,644.20 × 27,644.20
  4. Step 4: Simplify right side
    20,292.47x = 764,201,966.42
  5. Step 5: Solve for x
    x = 764,201,966.42/20,292.47
  6. Step 6: Final answer
    x = 37,659.39

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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.