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Finding the Third Proportional to 158,366,907 and 331,213,374

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Solution

The third proportional to 158,366,907 and 331,213,374 is: 692,709,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,366,907 : 331,213,374 = 331,213,374 : x
  2. Step 2: Convert to fraction form
    158,366,907/331,213,374 = 331,213,374/x
  3. Step 3: Cross multiply
    158,366,907x = 331,213,374 × 331,213,374
  4. Step 4: Simplify right side
    158,366,907x = 109,702,299,116,463,872
  5. Step 5: Solve for x
    x = 109,702,299,116,463,872/158,366,907
  6. Step 6: Final answer
    x = 692,709,740.91

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.