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Finding the Third Proportional to 86,902,556.06 and 188,751,890.25

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Solution

The third proportional to 86,902,556.06 and 188,751,890.25 is: 409,968,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,902,556.06 : 188,751,890.25 = 188,751,890.25 : x
  2. Step 2: Convert to fraction form
    86,902,556.06/188,751,890.25 = 188,751,890.25/x
  3. Step 3: Cross multiply
    86,902,556.06x = 188,751,890.25 × 188,751,890.25
  4. Step 4: Simplify right side
    86,902,556.06x = 35,627,276,072,948,044
  5. Step 5: Solve for x
    x = 35,627,276,072,948,044/86,902,556.06
  6. Step 6: Final answer
    x = 409,968,103.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.