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Finding the Third Proportional to 8,438.44 and 18,466.13

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Solution

The third proportional to 8,438.44 and 18,466.13 is: 40,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.44 : 18,466.13 = 18,466.13 : x
  2. Step 2: Convert to fraction form
    8,438.44/18,466.13 = 18,466.13/x
  3. Step 3: Cross multiply
    8,438.44x = 18,466.13 × 18,466.13
  4. Step 4: Simplify right side
    8,438.44x = 340,997,772.52
  5. Step 5: Solve for x
    x = 340,997,772.52/8,438.44
  6. Step 6: Final answer
    x = 40,410.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.