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Finding the Third Proportional to 9,722.53 and 14,672.81

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Solution

The third proportional to 9,722.53 and 14,672.81 is: 22,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.53 : 14,672.81 = 14,672.81 : x
  2. Step 2: Convert to fraction form
    9,722.53/14,672.81 = 14,672.81/x
  3. Step 3: Cross multiply
    9,722.53x = 14,672.81 × 14,672.81
  4. Step 4: Simplify right side
    9,722.53x = 215,291,426.66
  5. Step 5: Solve for x
    x = 215,291,426.66/9,722.53
  6. Step 6: Final answer
    x = 22,143.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.