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Finding the Third Proportional to 8,528 and 18,556

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Solution

The third proportional to 8,528 and 18,556 is: 40,375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528 : 18,556 = 18,556 : x
  2. Step 2: Convert to fraction form
    8,528/18,556 = 18,556/x
  3. Step 3: Cross multiply
    8,528x = 18,556 × 18,556
  4. Step 4: Simplify right side
    8,528x = 344,325,136
  5. Step 5: Solve for x
    x = 344,325,136/8,528
  6. Step 6: Final answer
    x = 40,375.84

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.