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Finding the Third Proportional to 9,487.50 and 20,100

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Solution

The third proportional to 9,487.50 and 20,100 is: 42,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487.50 : 20,100 = 20,100 : x
  2. Step 2: Convert to fraction form
    9,487.50/20,100 = 20,100/x
  3. Step 3: Cross multiply
    9,487.50x = 20,100 × 20,100
  4. Step 4: Simplify right side
    9,487.50x = 404,010,000
  5. Step 5: Solve for x
    x = 404,010,000/9,487.50
  6. Step 6: Final answer
    x = 42,583.40

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.