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Finding the Third Proportional to 178,855 and 379,026

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Solution

The third proportional to 178,855 and 379,026 is: 803,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,855 : 379,026 = 379,026 : x
  2. Step 2: Convert to fraction form
    178,855/379,026 = 379,026/x
  3. Step 3: Cross multiply
    178,855x = 379,026 × 379,026
  4. Step 4: Simplify right side
    178,855x = 143,660,708,676
  5. Step 5: Solve for x
    x = 143,660,708,676/178,855
  6. Step 6: Final answer
    x = 803,224.45

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.