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Finding the Third Proportional to 11,236 and 19,664

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Solution

The third proportional to 11,236 and 19,664 is: 34,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236 : 19,664 = 19,664 : x
  2. Step 2: Convert to fraction form
    11,236/19,664 = 19,664/x
  3. Step 3: Cross multiply
    11,236x = 19,664 × 19,664
  4. Step 4: Simplify right side
    11,236x = 386,672,896
  5. Step 5: Solve for x
    x = 386,672,896/11,236
  6. Step 6: Final answer
    x = 34,413.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.75) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.