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Finding the Third Proportional to 13,901.63 and 20,867.63

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Solution

The third proportional to 13,901.63 and 20,867.63 is: 31,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.63 : 20,867.63 = 20,867.63 : x
  2. Step 2: Convert to fraction form
    13,901.63/20,867.63 = 20,867.63/x
  3. Step 3: Cross multiply
    13,901.63x = 20,867.63 × 20,867.63
  4. Step 4: Simplify right side
    13,901.63x = 435,457,773.14
  5. Step 5: Solve for x
    x = 435,457,773.14/13,901.63
  6. Step 6: Final answer
    x = 31,324.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.