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Finding the Third Proportional to 331,268,372 and 717,744,900

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Solution

The third proportional to 331,268,372 and 717,744,900 is: 1,555,106,931.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,268,372 : 717,744,900 = 717,744,900 : x
  2. Step 2: Convert to fraction form
    331,268,372/717,744,900 = 717,744,900/x
  3. Step 3: Cross multiply
    331,268,372x = 717,744,900 × 717,744,900
  4. Step 4: Simplify right side
    331,268,372x = 515,157,741,476,009,984
  5. Step 5: Solve for x
    x = 515,157,741,476,009,984/331,268,372
  6. Step 6: Final answer
    x = 1,555,106,931.48

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.