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Finding the Third Proportional to 20,934 and 45,324

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Solution

The third proportional to 20,934 and 45,324 is: 98,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934 : 45,324 = 45,324 : x
  2. Step 2: Convert to fraction form
    20,934/45,324 = 45,324/x
  3. Step 3: Cross multiply
    20,934x = 45,324 × 45,324
  4. Step 4: Simplify right side
    20,934x = 2,054,264,976
  5. Step 5: Solve for x
    x = 2,054,264,976/20,934
  6. Step 6: Final answer
    x = 98,130.55

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.