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Finding the Third Proportional to 151,889,360 and 331,376,408

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Solution

The third proportional to 151,889,360 and 331,376,408 is: 722,962,581.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,889,360 : 331,376,408 = 331,376,408 : x
  2. Step 2: Convert to fraction form
    151,889,360/331,376,408 = 331,376,408/x
  3. Step 3: Cross multiply
    151,889,360x = 331,376,408 × 331,376,408
  4. Step 4: Simplify right side
    151,889,360x = 109,810,323,778,982,464
  5. Step 5: Solve for x
    x = 109,810,323,778,982,464/151,889,360
  6. Step 6: Final answer
    x = 722,962,581.31

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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.