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Finding the Third Proportional to 14,438.25 and 22,178.81

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Solution

The third proportional to 14,438.25 and 22,178.81 is: 34,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.25 : 22,178.81 = 22,178.81 : x
  2. Step 2: Convert to fraction form
    14,438.25/22,178.81 = 22,178.81/x
  3. Step 3: Cross multiply
    14,438.25x = 22,178.81 × 22,178.81
  4. Step 4: Simplify right side
    14,438.25x = 491,899,723.91
  5. Step 5: Solve for x
    x = 491,899,723.91/14,438.25
  6. Step 6: Final answer
    x = 34,069.21

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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.