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Finding the Third Proportional to 20,254.50 and 30,169.50

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Solution

The third proportional to 20,254.50 and 30,169.50 is: 44,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.50 : 30,169.50 = 30,169.50 : x
  2. Step 2: Convert to fraction form
    20,254.50/30,169.50 = 30,169.50/x
  3. Step 3: Cross multiply
    20,254.50x = 30,169.50 × 30,169.50
  4. Step 4: Simplify right side
    20,254.50x = 910,198,730.25
  5. Step 5: Solve for x
    x = 910,198,730.25/20,254.50
  6. Step 6: Final answer
    x = 44,938.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.