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Finding the Third Proportional to 20,292 and 27,030

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Solution

The third proportional to 20,292 and 27,030 is: 36,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292 : 27,030 = 27,030 : x
  2. Step 2: Convert to fraction form
    20,292/27,030 = 27,030/x
  3. Step 3: Cross multiply
    20,292x = 27,030 × 27,030
  4. Step 4: Simplify right side
    20,292x = 730,620,900
  5. Step 5: Solve for x
    x = 730,620,900/20,292
  6. Step 6: Final answer
    x = 36,005.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.