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Finding the Third Proportional to 11,470.50 and 17,235

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Solution

The third proportional to 11,470.50 and 17,235 is: 25,896.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.50 : 17,235 = 17,235 : x
  2. Step 2: Convert to fraction form
    11,470.50/17,235 = 17,235/x
  3. Step 3: Cross multiply
    11,470.50x = 17,235 × 17,235
  4. Step 4: Simplify right side
    11,470.50x = 297,045,225
  5. Step 5: Solve for x
    x = 297,045,225/11,470.50
  6. Step 6: Final answer
    x = 25,896.45

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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.