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Finding the Third Proportional to 20,169 and 27,641.25

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Solution

The third proportional to 20,169 and 27,641.25 is: 37,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169 : 27,641.25 = 27,641.25 : x
  2. Step 2: Convert to fraction form
    20,169/27,641.25 = 27,641.25/x
  3. Step 3: Cross multiply
    20,169x = 27,641.25 × 27,641.25
  4. Step 4: Simplify right side
    20,169x = 764,038,701.56
  5. Step 5: Solve for x
    x = 764,038,701.56/20,169
  6. Step 6: Final answer
    x = 37,881.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.