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Finding the Third Proportional to 151,880,760 and 331,360,790

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Solution

The third proportional to 151,880,760 and 331,360,790 is: 722,935,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,880,760 : 331,360,790 = 331,360,790 : x
  2. Step 2: Convert to fraction form
    151,880,760/331,360,790 = 331,360,790/x
  3. Step 3: Cross multiply
    151,880,760x = 331,360,790 × 331,360,790
  4. Step 4: Simplify right side
    151,880,760x = 109,799,973,149,424,096
  5. Step 5: Solve for x
    x = 109,799,973,149,424,096/151,880,760
  6. Step 6: Final answer
    x = 722,935,368.18

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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.