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Finding the Third Proportional to 150,376,689.75 and 239,278,872.75

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Solution

The third proportional to 150,376,689.75 and 239,278,872.75 is: 380,739,721.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,376,689.75 : 239,278,872.75 = 239,278,872.75 : x
  2. Step 2: Convert to fraction form
    150,376,689.75/239,278,872.75 = 239,278,872.75/x
  3. Step 3: Cross multiply
    150,376,689.75x = 239,278,872.75 × 239,278,872.75
  4. Step 4: Simplify right side
    150,376,689.75x = 57,254,378,944,510,696
  5. Step 5: Solve for x
    x = 57,254,378,944,510,696/150,376,689.75
  6. Step 6: Final answer
    x = 380,739,721.29

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.