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Finding the Third Proportional to 172,116 and 372,826

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Solution

The third proportional to 172,116 and 372,826 is: 807,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,116 : 372,826 = 372,826 : x
  2. Step 2: Convert to fraction form
    172,116/372,826 = 372,826/x
  3. Step 3: Cross multiply
    172,116x = 372,826 × 372,826
  4. Step 4: Simplify right side
    172,116x = 138,999,226,276
  5. Step 5: Solve for x
    x = 138,999,226,276/172,116
  6. Step 6: Final answer
    x = 807,590.38

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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.