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Finding the Third Proportional to 251,748,695 and 388,802,991

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Solution

The third proportional to 251,748,695 and 388,802,991 is: 600,470,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,748,695 : 388,802,991 = 388,802,991 : x
  2. Step 2: Convert to fraction form
    251,748,695/388,802,991 = 388,802,991/x
  3. Step 3: Cross multiply
    251,748,695x = 388,802,991 × 388,802,991
  4. Step 4: Simplify right side
    251,748,695x = 151,167,765,810,546,080
  5. Step 5: Solve for x
    x = 151,167,765,810,546,080/251,748,695
  6. Step 6: Final answer
    x = 600,470,901.39

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.