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Finding the Third Proportional to 358,428.38 and 550,081.13

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Solution

The third proportional to 358,428.38 and 550,081.13 is: 844,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,428.38 : 550,081.13 = 550,081.13 : x
  2. Step 2: Convert to fraction form
    358,428.38/550,081.13 = 550,081.13/x
  3. Step 3: Cross multiply
    358,428.38x = 550,081.13 × 550,081.13
  4. Step 4: Simplify right side
    358,428.38x = 302,589,244,081.27
  5. Step 5: Solve for x
    x = 302,589,244,081.27/358,428.38
  6. Step 6: Final answer
    x = 844,211.19

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.