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Finding the Third Proportional to 172,904 and 376,100

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Solution

The third proportional to 172,904 and 376,100 is: 818,091.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,904 : 376,100 = 376,100 : x
  2. Step 2: Convert to fraction form
    172,904/376,100 = 376,100/x
  3. Step 3: Cross multiply
    172,904x = 376,100 × 376,100
  4. Step 4: Simplify right side
    172,904x = 141,451,210,000
  5. Step 5: Solve for x
    x = 141,451,210,000/172,904
  6. Step 6: Final answer
    x = 818,091.02

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.