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Finding the Third Proportional to 172,658.25 and 374,841

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Solution

The third proportional to 172,658.25 and 374,841 is: 813,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,658.25 : 374,841 = 374,841 : x
  2. Step 2: Convert to fraction form
    172,658.25/374,841 = 374,841/x
  3. Step 3: Cross multiply
    172,658.25x = 374,841 × 374,841
  4. Step 4: Simplify right side
    172,658.25x = 140,505,775,281
  5. Step 5: Solve for x
    x = 140,505,775,281/172,658.25
  6. Step 6: Final answer
    x = 813,779.68

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.