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Finding the Third Proportional to 68,751 and 153,045

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Solution

The third proportional to 68,751 and 153,045 is: 340,689.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,751 : 153,045 = 153,045 : x
  2. Step 2: Convert to fraction form
    68,751/153,045 = 153,045/x
  3. Step 3: Cross multiply
    68,751x = 153,045 × 153,045
  4. Step 4: Simplify right side
    68,751x = 23,422,772,025
  5. Step 5: Solve for x
    x = 23,422,772,025/68,751
  6. Step 6: Final answer
    x = 340,689.91

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.