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Finding the Third Proportional to 13,902.50 and 20,367.50

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Solution

The third proportional to 13,902.50 and 20,367.50 is: 29,838.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.50 : 20,367.50 = 20,367.50 : x
  2. Step 2: Convert to fraction form
    13,902.50/20,367.50 = 20,367.50/x
  3. Step 3: Cross multiply
    13,902.50x = 20,367.50 × 20,367.50
  4. Step 4: Simplify right side
    13,902.50x = 414,835,056.25
  5. Step 5: Solve for x
    x = 414,835,056.25/13,902.50
  6. Step 6: Final answer
    x = 29,838.88

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