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Finding the Third Proportional to 20,363.63 and 31,530.75

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Solution

The third proportional to 20,363.63 and 31,530.75 is: 48,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363.63 : 31,530.75 = 31,530.75 : x
  2. Step 2: Convert to fraction form
    20,363.63/31,530.75 = 31,530.75/x
  3. Step 3: Cross multiply
    20,363.63x = 31,530.75 × 31,530.75
  4. Step 4: Simplify right side
    20,363.63x = 994,188,195.56
  5. Step 5: Solve for x
    x = 994,188,195.56/20,363.63
  6. Step 6: Final answer
    x = 48,821.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.