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Finding the Third Proportional to 20,715 and 32,304

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Solution

The third proportional to 20,715 and 32,304 is: 50,376.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715 : 32,304 = 32,304 : x
  2. Step 2: Convert to fraction form
    20,715/32,304 = 32,304/x
  3. Step 3: Cross multiply
    20,715x = 32,304 × 32,304
  4. Step 4: Simplify right side
    20,715x = 1,043,548,416
  5. Step 5: Solve for x
    x = 1,043,548,416/20,715
  6. Step 6: Final answer
    x = 50,376.46

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.