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Finding the Third Proportional to 150,376,681 and 239,278,859

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Solution

The third proportional to 150,376,681 and 239,278,859 is: 380,739,699.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,376,681 : 239,278,859 = 239,278,859 : x
  2. Step 2: Convert to fraction form
    150,376,681/239,278,859 = 239,278,859/x
  3. Step 3: Cross multiply
    150,376,681x = 239,278,859 × 239,278,859
  4. Step 4: Simplify right side
    150,376,681x = 57,254,372,364,341,880
  5. Step 5: Solve for x
    x = 57,254,372,364,341,880/150,376,681
  6. Step 6: Final answer
    x = 380,739,699.69

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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.