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Finding the Third Proportional to 113,924.81 and 245,379.38

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Solution

The third proportional to 113,924.81 and 245,379.38 is: 528,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,924.81 : 245,379.38 = 245,379.38 : x
  2. Step 2: Convert to fraction form
    113,924.81/245,379.38 = 245,379.38/x
  3. Step 3: Cross multiply
    113,924.81x = 245,379.38 × 245,379.38
  4. Step 4: Simplify right side
    113,924.81x = 60,211,037,675.39
  5. Step 5: Solve for x
    x = 60,211,037,675.39/113,924.81
  6. Step 6: Final answer
    x = 528,515.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.