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Finding the Third Proportional to 9,213.75 and 14,179.50

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Solution

The third proportional to 9,213.75 and 14,179.50 is: 21,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.75 : 14,179.50 = 14,179.50 : x
  2. Step 2: Convert to fraction form
    9,213.75/14,179.50 = 14,179.50/x
  3. Step 3: Cross multiply
    9,213.75x = 14,179.50 × 14,179.50
  4. Step 4: Simplify right side
    9,213.75x = 201,058,220.25
  5. Step 5: Solve for x
    x = 201,058,220.25/9,213.75
  6. Step 6: Final answer
    x = 21,821.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.