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Finding the Third Proportional to 3,255 and 7,612.50

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Solution

The third proportional to 3,255 and 7,612.50 is: 17,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255 : 7,612.50 = 7,612.50 : x
  2. Step 2: Convert to fraction form
    3,255/7,612.50 = 7,612.50/x
  3. Step 3: Cross multiply
    3,255x = 7,612.50 × 7,612.50
  4. Step 4: Simplify right side
    3,255x = 57,950,156.25
  5. Step 5: Solve for x
    x = 57,950,156.25/3,255
  6. Step 6: Final answer
    x = 17,803.43

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.