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Finding the Third Proportional to 15,136 and 16,768

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Solution

The third proportional to 15,136 and 16,768 is: 18,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136 : 16,768 = 16,768 : x
  2. Step 2: Convert to fraction form
    15,136/16,768 = 16,768/x
  3. Step 3: Cross multiply
    15,136x = 16,768 × 16,768
  4. Step 4: Simplify right side
    15,136x = 281,165,824
  5. Step 5: Solve for x
    x = 281,165,824/15,136
  6. Step 6: Final answer
    x = 18,575.97

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.