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Finding the Third Proportional to 183,575 and 389,170

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Solution

The third proportional to 183,575 and 389,170 is: 825,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,575 : 389,170 = 389,170 : x
  2. Step 2: Convert to fraction form
    183,575/389,170 = 389,170/x
  3. Step 3: Cross multiply
    183,575x = 389,170 × 389,170
  4. Step 4: Simplify right side
    183,575x = 151,453,288,900
  5. Step 5: Solve for x
    x = 151,453,288,900/183,575
  6. Step 6: Final answer
    x = 825,021.32

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.