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Finding the Third Proportional to 8,317.38 and 12,232.69

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Solution

The third proportional to 8,317.38 and 12,232.69 is: 17,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.38 : 12,232.69 = 12,232.69 : x
  2. Step 2: Convert to fraction form
    8,317.38/12,232.69 = 12,232.69/x
  3. Step 3: Cross multiply
    8,317.38x = 12,232.69 × 12,232.69
  4. Step 4: Simplify right side
    8,317.38x = 149,638,643.47
  5. Step 5: Solve for x
    x = 149,638,643.47/8,317.38
  6. Step 6: Final answer
    x = 17,991.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.