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Finding the Third Proportional to 6,122.25 and 13,216.50

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Solution

The third proportional to 6,122.25 and 13,216.50 is: 28,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.25 : 13,216.50 = 13,216.50 : x
  2. Step 2: Convert to fraction form
    6,122.25/13,216.50 = 13,216.50/x
  3. Step 3: Cross multiply
    6,122.25x = 13,216.50 × 13,216.50
  4. Step 4: Simplify right side
    6,122.25x = 174,675,872.25
  5. Step 5: Solve for x
    x = 174,675,872.25/6,122.25
  6. Step 6: Final answer
    x = 28,531.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.