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Finding the Third Proportional to 3,610 and 7,885.75

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Solution

The third proportional to 3,610 and 7,885.75 is: 17,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610 : 7,885.75 = 7,885.75 : x
  2. Step 2: Convert to fraction form
    3,610/7,885.75 = 7,885.75/x
  3. Step 3: Cross multiply
    3,610x = 7,885.75 × 7,885.75
  4. Step 4: Simplify right side
    3,610x = 62,185,053.06
  5. Step 5: Solve for x
    x = 62,185,053.06/3,610
  6. Step 6: Final answer
    x = 17,225.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.