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Finding the Third Proportional to 176,396.63 and 387,910.13

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Solution

The third proportional to 176,396.63 and 387,910.13 is: 853,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,396.63 : 387,910.13 = 387,910.13 : x
  2. Step 2: Convert to fraction form
    176,396.63/387,910.13 = 387,910.13/x
  3. Step 3: Cross multiply
    176,396.63x = 387,910.13 × 387,910.13
  4. Step 4: Simplify right side
    176,396.63x = 150,474,265,077.52
  5. Step 5: Solve for x
    x = 150,474,265,077.52/176,396.63
  6. Step 6: Final answer
    x = 853,045.03

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.