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Finding the Third Proportional to 8,835.50 and 18,881

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Solution

The third proportional to 8,835.50 and 18,881 is: 40,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.50 : 18,881 = 18,881 : x
  2. Step 2: Convert to fraction form
    8,835.50/18,881 = 18,881/x
  3. Step 3: Cross multiply
    8,835.50x = 18,881 × 18,881
  4. Step 4: Simplify right side
    8,835.50x = 356,492,161
  5. Step 5: Solve for x
    x = 356,492,161/8,835.50
  6. Step 6: Final answer
    x = 40,347.71

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.