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Finding the Third Proportional to 331,367,555.25 and 720,913,326.19

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Solution

The third proportional to 331,367,555.25 and 720,913,326.19 is: 1,568,397,435.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,367,555.25 : 720,913,326.19 = 720,913,326.19 : x
  2. Step 2: Convert to fraction form
    331,367,555.25/720,913,326.19 = 720,913,326.19/x
  3. Step 3: Cross multiply
    331,367,555.25x = 720,913,326.19 × 720,913,326.19
  4. Step 4: Simplify right side
    331,367,555.25x = 519,716,023,874,724,800
  5. Step 5: Solve for x
    x = 519,716,023,874,724,800/331,367,555.25
  6. Step 6: Final answer
    x = 1,568,397,435.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.