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Finding the Third Proportional to 20,281.50 and 48,501

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Solution

The third proportional to 20,281.50 and 48,501 is: 115,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281.50 : 48,501 = 48,501 : x
  2. Step 2: Convert to fraction form
    20,281.50/48,501 = 48,501/x
  3. Step 3: Cross multiply
    20,281.50x = 48,501 × 48,501
  4. Step 4: Simplify right side
    20,281.50x = 2,352,347,001
  5. Step 5: Solve for x
    x = 2,352,347,001/20,281.50
  6. Step 6: Final answer
    x = 115,984.86

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.