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Finding the Third Proportional to 218,152,708 and 347,291,622

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Solution

The third proportional to 218,152,708 and 347,291,622 is: 552,876,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,152,708 : 347,291,622 = 347,291,622 : x
  2. Step 2: Convert to fraction form
    218,152,708/347,291,622 = 347,291,622/x
  3. Step 3: Cross multiply
    218,152,708x = 347,291,622 × 347,291,622
  4. Step 4: Simplify right side
    218,152,708x = 120,611,470,711,390,880
  5. Step 5: Solve for x
    x = 120,611,470,711,390,880/218,152,708
  6. Step 6: Final answer
    x = 552,876,339.78

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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.