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Finding the Third Proportional to 102,190 and 153,425

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Solution

The third proportional to 102,190 and 153,425 is: 230,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,190 : 153,425 = 153,425 : x
  2. Step 2: Convert to fraction form
    102,190/153,425 = 153,425/x
  3. Step 3: Cross multiply
    102,190x = 153,425 × 153,425
  4. Step 4: Simplify right side
    102,190x = 23,539,230,625
  5. Step 5: Solve for x
    x = 23,539,230,625/102,190
  6. Step 6: Final answer
    x = 230,347.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.