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Finding the Third Proportional to 87,237 and 190,346

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Solution

The third proportional to 87,237 and 190,346 is: 415,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,237 : 190,346 = 190,346 : x
  2. Step 2: Convert to fraction form
    87,237/190,346 = 190,346/x
  3. Step 3: Cross multiply
    87,237x = 190,346 × 190,346
  4. Step 4: Simplify right side
    87,237x = 36,231,599,716
  5. Step 5: Solve for x
    x = 36,231,599,716/87,237
  6. Step 6: Final answer
    x = 415,323.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.