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Finding the Third Proportional to 11,354 and 17,559

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Solution

The third proportional to 11,354 and 17,559 is: 27,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354 : 17,559 = 17,559 : x
  2. Step 2: Convert to fraction form
    11,354/17,559 = 17,559/x
  3. Step 3: Cross multiply
    11,354x = 17,559 × 17,559
  4. Step 4: Simplify right side
    11,354x = 308,318,481
  5. Step 5: Solve for x
    x = 308,318,481/11,354
  6. Step 6: Final answer
    x = 27,155.05

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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.