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Finding the Third Proportional to 16,721.44 and 22,188.94

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Solution

The third proportional to 16,721.44 and 22,188.94 is: 29,444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.44 : 22,188.94 = 22,188.94 : x
  2. Step 2: Convert to fraction form
    16,721.44/22,188.94 = 22,188.94/x
  3. Step 3: Cross multiply
    16,721.44x = 22,188.94 × 22,188.94
  4. Step 4: Simplify right side
    16,721.44x = 492,348,947.38
  5. Step 5: Solve for x
    x = 492,348,947.38/16,721.44
  6. Step 6: Final answer
    x = 29,444.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.