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Finding the Third Proportional to 20,716 and 32,136

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Solution

The third proportional to 20,716 and 32,136 is: 49,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716 : 32,136 = 32,136 : x
  2. Step 2: Convert to fraction form
    20,716/32,136 = 32,136/x
  3. Step 3: Cross multiply
    20,716x = 32,136 × 32,136
  4. Step 4: Simplify right side
    20,716x = 1,032,722,496
  5. Step 5: Solve for x
    x = 1,032,722,496/20,716
  6. Step 6: Final answer
    x = 49,851.44

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.