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Finding the Third Proportional to 20,934 and 46,080

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Solution

The third proportional to 20,934 and 46,080 is: 101,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934 : 46,080 = 46,080 : x
  2. Step 2: Convert to fraction form
    20,934/46,080 = 46,080/x
  3. Step 3: Cross multiply
    20,934x = 46,080 × 46,080
  4. Step 4: Simplify right side
    20,934x = 2,123,366,400
  5. Step 5: Solve for x
    x = 2,123,366,400/20,934
  6. Step 6: Final answer
    x = 101,431.47

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.