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Finding the Third Proportional to 91,951 and 143,375

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Solution

The third proportional to 91,951 and 143,375 is: 223,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,951 : 143,375 = 143,375 : x
  2. Step 2: Convert to fraction form
    91,951/143,375 = 143,375/x
  3. Step 3: Cross multiply
    91,951x = 143,375 × 143,375
  4. Step 4: Simplify right side
    91,951x = 20,556,390,625
  5. Step 5: Solve for x
    x = 20,556,390,625/91,951
  6. Step 6: Final answer
    x = 223,558.10

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.