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Finding the Third Proportional to 22,990 and 35,153

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Solution

The third proportional to 22,990 and 35,153 is: 53,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990 : 35,153 = 35,153 : x
  2. Step 2: Convert to fraction form
    22,990/35,153 = 35,153/x
  3. Step 3: Cross multiply
    22,990x = 35,153 × 35,153
  4. Step 4: Simplify right side
    22,990x = 1,235,733,409
  5. Step 5: Solve for x
    x = 1,235,733,409/22,990
  6. Step 6: Final answer
    x = 53,750.91

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.