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Finding the Third Proportional to 18,181.50 and 25,660.50

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Solution

The third proportional to 18,181.50 and 25,660.50 is: 36,216.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.50 : 25,660.50 = 25,660.50 : x
  2. Step 2: Convert to fraction form
    18,181.50/25,660.50 = 25,660.50/x
  3. Step 3: Cross multiply
    18,181.50x = 25,660.50 × 25,660.50
  4. Step 4: Simplify right side
    18,181.50x = 658,461,260.25
  5. Step 5: Solve for x
    x = 658,461,260.25/18,181.50
  6. Step 6: Final answer
    x = 36,216.00

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.