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Finding the Third Proportional to 20,282 and 43,582

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Solution

The third proportional to 20,282 and 43,582 is: 93,649.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,282 : 43,582 = 43,582 : x
  2. Step 2: Convert to fraction form
    20,282/43,582 = 43,582/x
  3. Step 3: Cross multiply
    20,282x = 43,582 × 43,582
  4. Step 4: Simplify right side
    20,282x = 1,899,390,724
  5. Step 5: Solve for x
    x = 1,899,390,724/20,282
  6. Step 6: Final answer
    x = 93,649.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.