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Finding the Third Proportional to 56,108 and 85,107

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Solution

The third proportional to 56,108 and 85,107 is: 129,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,108 : 85,107 = 85,107 : x
  2. Step 2: Convert to fraction form
    56,108/85,107 = 85,107/x
  3. Step 3: Cross multiply
    56,108x = 85,107 × 85,107
  4. Step 4: Simplify right side
    56,108x = 7,243,201,449
  5. Step 5: Solve for x
    x = 7,243,201,449/56,108
  6. Step 6: Final answer
    x = 129,093.92

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.