Home / 144,578,918.25-317,855,589.75

Finding the Third Proportional to 144,578,918.25 and 317,855,589.75

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Solution

The third proportional to 144,578,918.25 and 317,855,589.75 is: 698,802,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,578,918.25 : 317,855,589.75 = 317,855,589.75 : x
  2. Step 2: Convert to fraction form
    144,578,918.25/317,855,589.75 = 317,855,589.75/x
  3. Step 3: Cross multiply
    144,578,918.25x = 317,855,589.75 × 317,855,589.75
  4. Step 4: Simplify right side
    144,578,918.25x = 101,032,175,935,320,304
  5. Step 5: Solve for x
    x = 101,032,175,935,320,304/144,578,918.25
  6. Step 6: Final answer
    x = 698,802,959.37

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.