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Finding the Third Proportional to 64,505,580 and 140,348,544

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Solution

The third proportional to 64,505,580 and 140,348,544 is: 305,364,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,505,580 : 140,348,544 = 140,348,544 : x
  2. Step 2: Convert to fraction form
    64,505,580/140,348,544 = 140,348,544/x
  3. Step 3: Cross multiply
    64,505,580x = 140,348,544 × 140,348,544
  4. Step 4: Simplify right side
    64,505,580x = 19,697,713,802,919,936
  5. Step 5: Solve for x
    x = 19,697,713,802,919,936/64,505,580
  6. Step 6: Final answer
    x = 305,364,494.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.