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Finding the Third Proportional to 190,107,342 and 407,498,980

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Solution

The third proportional to 190,107,342 and 407,498,980 is: 873,482,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,107,342 : 407,498,980 = 407,498,980 : x
  2. Step 2: Convert to fraction form
    190,107,342/407,498,980 = 407,498,980/x
  3. Step 3: Cross multiply
    190,107,342x = 407,498,980 × 407,498,980
  4. Step 4: Simplify right side
    190,107,342x = 166,055,418,701,040,384
  5. Step 5: Solve for x
    x = 166,055,418,701,040,384/190,107,342
  6. Step 6: Final answer
    x = 873,482,407.12

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.