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Finding the Third Proportional to 8,610 and 18,255.75

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Solution

The third proportional to 8,610 and 18,255.75 is: 38,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610 : 18,255.75 = 18,255.75 : x
  2. Step 2: Convert to fraction form
    8,610/18,255.75 = 18,255.75/x
  3. Step 3: Cross multiply
    8,610x = 18,255.75 × 18,255.75
  4. Step 4: Simplify right side
    8,610x = 333,272,408.06
  5. Step 5: Solve for x
    x = 333,272,408.06/8,610
  6. Step 6: Final answer
    x = 38,707.60

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.