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Finding the Third Proportional to 61,858.69 and 135,556.03

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Solution

The third proportional to 61,858.69 and 135,556.03 is: 297,055.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,858.69 : 135,556.03 = 135,556.03 : x
  2. Step 2: Convert to fraction form
    61,858.69/135,556.03 = 135,556.03/x
  3. Step 3: Cross multiply
    61,858.69x = 135,556.03 × 135,556.03
  4. Step 4: Simplify right side
    61,858.69x = 18,375,437,608.25
  5. Step 5: Solve for x
    x = 18,375,437,608.25/61,858.69
  6. Step 6: Final answer
    x = 297,055.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.