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Finding the Third Proportional to 66,332,763 and 143,530,704

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Solution

The third proportional to 66,332,763 and 143,530,704 is: 310,571,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,332,763 : 143,530,704 = 143,530,704 : x
  2. Step 2: Convert to fraction form
    66,332,763/143,530,704 = 143,530,704/x
  3. Step 3: Cross multiply
    66,332,763x = 143,530,704 × 143,530,704
  4. Step 4: Simplify right side
    66,332,763x = 20,601,062,990,735,616
  5. Step 5: Solve for x
    x = 20,601,062,990,735,616/66,332,763
  6. Step 6: Final answer
    x = 310,571,459.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.