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Finding the Third Proportional to 87,305 and 190,602

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Solution

The third proportional to 87,305 and 190,602 is: 416,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,305 : 190,602 = 190,602 : x
  2. Step 2: Convert to fraction form
    87,305/190,602 = 190,602/x
  3. Step 3: Cross multiply
    87,305x = 190,602 × 190,602
  4. Step 4: Simplify right side
    87,305x = 36,329,122,404
  5. Step 5: Solve for x
    x = 36,329,122,404/87,305
  6. Step 6: Final answer
    x = 416,117.32

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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.