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Finding the Third Proportional to 18,378 and 27,562.50

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Solution

The third proportional to 18,378 and 27,562.50 is: 41,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378 : 27,562.50 = 27,562.50 : x
  2. Step 2: Convert to fraction form
    18,378/27,562.50 = 27,562.50/x
  3. Step 3: Cross multiply
    18,378x = 27,562.50 × 27,562.50
  4. Step 4: Simplify right side
    18,378x = 759,691,406.25
  5. Step 5: Solve for x
    x = 759,691,406.25/18,378
  6. Step 6: Final answer
    x = 41,337.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.