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Finding the Third Proportional to 34,005.75 and 52,785

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Solution

The third proportional to 34,005.75 and 52,785 is: 81,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,005.75 : 52,785 = 52,785 : x
  2. Step 2: Convert to fraction form
    34,005.75/52,785 = 52,785/x
  3. Step 3: Cross multiply
    34,005.75x = 52,785 × 52,785
  4. Step 4: Simplify right side
    34,005.75x = 2,786,256,225
  5. Step 5: Solve for x
    x = 2,786,256,225/34,005.75
  6. Step 6: Final answer
    x = 81,934.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.