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Finding the Third Proportional to 20,101.50 and 31,063.50

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Solution

The third proportional to 20,101.50 and 31,063.50 is: 48,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101.50 : 31,063.50 = 31,063.50 : x
  2. Step 2: Convert to fraction form
    20,101.50/31,063.50 = 31,063.50/x
  3. Step 3: Cross multiply
    20,101.50x = 31,063.50 × 31,063.50
  4. Step 4: Simplify right side
    20,101.50x = 964,941,032.25
  5. Step 5: Solve for x
    x = 964,941,032.25/20,101.50
  6. Step 6: Final answer
    x = 48,003.43

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