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Finding the Third Proportional to 178,520.63 and 371,837.25

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Solution

The third proportional to 178,520.63 and 371,837.25 is: 774,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,520.63 : 371,837.25 = 371,837.25 : x
  2. Step 2: Convert to fraction form
    178,520.63/371,837.25 = 371,837.25/x
  3. Step 3: Cross multiply
    178,520.63x = 371,837.25 × 371,837.25
  4. Step 4: Simplify right side
    178,520.63x = 138,262,940,487.56
  5. Step 5: Solve for x
    x = 138,262,940,487.56/178,520.63
  6. Step 6: Final answer
    x = 774,492.81

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.