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Finding the Third Proportional to 20,318 and 26,967.50

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Solution

The third proportional to 20,318 and 26,967.50 is: 35,793.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,318 : 26,967.50 = 26,967.50 : x
  2. Step 2: Convert to fraction form
    20,318/26,967.50 = 26,967.50/x
  3. Step 3: Cross multiply
    20,318x = 26,967.50 × 26,967.50
  4. Step 4: Simplify right side
    20,318x = 727,246,056.25
  5. Step 5: Solve for x
    x = 727,246,056.25/20,318
  6. Step 6: Final answer
    x = 35,793.19

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.