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Finding the Third Proportional to 173,246 and 378,460

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Solution

The third proportional to 173,246 and 378,460 is: 826,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,246 : 378,460 = 378,460 : x
  2. Step 2: Convert to fraction form
    173,246/378,460 = 378,460/x
  3. Step 3: Cross multiply
    173,246x = 378,460 × 378,460
  4. Step 4: Simplify right side
    173,246x = 143,231,971,600
  5. Step 5: Solve for x
    x = 143,231,971,600/173,246
  6. Step 6: Final answer
    x = 826,754.85

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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.