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Finding the Third Proportional to 428,892,317 and 936,438,268

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Solution

The third proportional to 428,892,317 and 936,438,268 is: 2,044,607,923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,892,317 : 936,438,268 = 936,438,268 : x
  2. Step 2: Convert to fraction form
    428,892,317/936,438,268 = 936,438,268/x
  3. Step 3: Cross multiply
    428,892,317x = 936,438,268 × 936,438,268
  4. Step 4: Simplify right side
    428,892,317x = 876,916,629,774,839,808
  5. Step 5: Solve for x
    x = 876,916,629,774,839,808/428,892,317
  6. Step 6: Final answer
    x = 2,044,607,923.75

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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.