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Finding the Third Proportional to 7,866 and 16,556

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Solution

The third proportional to 7,866 and 16,556 is: 34,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866 : 16,556 = 16,556 : x
  2. Step 2: Convert to fraction form
    7,866/16,556 = 16,556/x
  3. Step 3: Cross multiply
    7,866x = 16,556 × 16,556
  4. Step 4: Simplify right side
    7,866x = 274,101,136
  5. Step 5: Solve for x
    x = 274,101,136/7,866
  6. Step 6: Final answer
    x = 34,846.32

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.