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Finding the Third Proportional to 7,777 and 16,481

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Solution

The third proportional to 7,777 and 16,481 is: 34,926.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777 : 16,481 = 16,481 : x
  2. Step 2: Convert to fraction form
    7,777/16,481 = 16,481/x
  3. Step 3: Cross multiply
    7,777x = 16,481 × 16,481
  4. Step 4: Simplify right side
    7,777x = 271,623,361
  5. Step 5: Solve for x
    x = 271,623,361/7,777
  6. Step 6: Final answer
    x = 34,926.50

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.