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Finding the Third Proportional to 9,220 and 11,562

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Solution

The third proportional to 9,220 and 11,562 is: 14,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220 : 11,562 = 11,562 : x
  2. Step 2: Convert to fraction form
    9,220/11,562 = 11,562/x
  3. Step 3: Cross multiply
    9,220x = 11,562 × 11,562
  4. Step 4: Simplify right side
    9,220x = 133,679,844
  5. Step 5: Solve for x
    x = 133,679,844/9,220
  6. Step 6: Final answer
    x = 14,498.90

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Why These Related Problems?

These problems maintain the same ratio (1.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.