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Finding the Third Proportional to 245,802 and 336,396

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Solution

The third proportional to 245,802 and 336,396 is: 460,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,802 : 336,396 = 336,396 : x
  2. Step 2: Convert to fraction form
    245,802/336,396 = 336,396/x
  3. Step 3: Cross multiply
    245,802x = 336,396 × 336,396
  4. Step 4: Simplify right side
    245,802x = 113,162,268,816
  5. Step 5: Solve for x
    x = 113,162,268,816/245,802
  6. Step 6: Final answer
    x = 460,379.77

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.