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Finding the Third Proportional to 158,286,747.38 and 343,821,661.31

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Solution

The third proportional to 158,286,747.38 and 343,821,661.31 is: 746,830,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,286,747.38 : 343,821,661.31 = 343,821,661.31 : x
  2. Step 2: Convert to fraction form
    158,286,747.38/343,821,661.31 = 343,821,661.31/x
  3. Step 3: Cross multiply
    158,286,747.38x = 343,821,661.31 × 343,821,661.31
  4. Step 4: Simplify right side
    158,286,747.38x = 118,213,334,787,687,456
  5. Step 5: Solve for x
    x = 118,213,334,787,687,456/158,286,747.38
  6. Step 6: Final answer
    x = 746,830,273.21

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.