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Finding the Third Proportional to 115,602 and 172,935

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Solution

The third proportional to 115,602 and 172,935 is: 258,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,602 : 172,935 = 172,935 : x
  2. Step 2: Convert to fraction form
    115,602/172,935 = 172,935/x
  3. Step 3: Cross multiply
    115,602x = 172,935 × 172,935
  4. Step 4: Simplify right side
    115,602x = 29,906,514,225
  5. Step 5: Solve for x
    x = 29,906,514,225/115,602
  6. Step 6: Final answer
    x = 258,702.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.