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Finding the Third Proportional to 135,649.75 and 199,554.38

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Solution

The third proportional to 135,649.75 and 199,554.38 is: 293,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,649.75 : 199,554.38 = 199,554.38 : x
  2. Step 2: Convert to fraction form
    135,649.75/199,554.38 = 199,554.38/x
  3. Step 3: Cross multiply
    135,649.75x = 199,554.38 × 199,554.38
  4. Step 4: Simplify right side
    135,649.75x = 39,821,948,581.64
  5. Step 5: Solve for x
    x = 39,821,948,581.64/135,649.75
  6. Step 6: Final answer
    x = 293,564.48

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.