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Finding the Third Proportional to 79,999 and 172,826

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Solution

The third proportional to 79,999 and 172,826 is: 373,365.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,999 : 172,826 = 172,826 : x
  2. Step 2: Convert to fraction form
    79,999/172,826 = 172,826/x
  3. Step 3: Cross multiply
    79,999x = 172,826 × 172,826
  4. Step 4: Simplify right side
    79,999x = 29,868,826,276
  5. Step 5: Solve for x
    x = 29,868,826,276/79,999
  6. Step 6: Final answer
    x = 373,365.00

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.