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Finding the Third Proportional to 64,504,686 and 139,270,812

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Solution

The third proportional to 64,504,686 and 139,270,812 is: 300,696,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,504,686 : 139,270,812 = 139,270,812 : x
  2. Step 2: Convert to fraction form
    64,504,686/139,270,812 = 139,270,812/x
  3. Step 3: Cross multiply
    64,504,686x = 139,270,812 × 139,270,812
  4. Step 4: Simplify right side
    64,504,686x = 19,396,359,075,139,344
  5. Step 5: Solve for x
    x = 19,396,359,075,139,344/64,504,686
  6. Step 6: Final answer
    x = 300,696,899.37

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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.