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Finding the Third Proportional to 179,818.38 and 393,501.13

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Solution

The third proportional to 179,818.38 and 393,501.13 is: 861,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,818.38 : 393,501.13 = 393,501.13 : x
  2. Step 2: Convert to fraction form
    179,818.38/393,501.13 = 393,501.13/x
  3. Step 3: Cross multiply
    179,818.38x = 393,501.13 × 393,501.13
  4. Step 4: Simplify right side
    179,818.38x = 154,843,135,376.27
  5. Step 5: Solve for x
    x = 154,843,135,376.27/179,818.38
  6. Step 6: Final answer
    x = 861,108.52

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.