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Finding the Third Proportional to 5,355 and 11,392.50

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Solution

The third proportional to 5,355 and 11,392.50 is: 24,236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355 : 11,392.50 = 11,392.50 : x
  2. Step 2: Convert to fraction form
    5,355/11,392.50 = 11,392.50/x
  3. Step 3: Cross multiply
    5,355x = 11,392.50 × 11,392.50
  4. Step 4: Simplify right side
    5,355x = 129,789,056.25
  5. Step 5: Solve for x
    x = 129,789,056.25/5,355
  6. Step 6: Final answer
    x = 24,236.99

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.