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Finding the Third Proportional to 7,131,603 and 11,301,743.25

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Solution

The third proportional to 7,131,603 and 11,301,743.25 is: 17,910,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,603 : 11,301,743.25 = 11,301,743.25 : x
  2. Step 2: Convert to fraction form
    7,131,603/11,301,743.25 = 11,301,743.25/x
  3. Step 3: Cross multiply
    7,131,603x = 11,301,743.25 × 11,301,743.25
  4. Step 4: Simplify right side
    7,131,603x = 127,729,400,488,920.56
  5. Step 5: Solve for x
    x = 127,729,400,488,920.56/7,131,603
  6. Step 6: Final answer
    x = 17,910,335.23

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.