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Finding the Third Proportional to 11,115 and 26,236.50

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Solution

The third proportional to 11,115 and 26,236.50 is: 61,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115 : 26,236.50 = 26,236.50 : x
  2. Step 2: Convert to fraction form
    11,115/26,236.50 = 26,236.50/x
  3. Step 3: Cross multiply
    11,115x = 26,236.50 × 26,236.50
  4. Step 4: Simplify right side
    11,115x = 688,353,932.25
  5. Step 5: Solve for x
    x = 688,353,932.25/11,115
  6. Step 6: Final answer
    x = 61,930.18

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.