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Finding the Third Proportional to 41,902 and 90,365

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Solution

The third proportional to 41,902 and 90,365 is: 194,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,902 : 90,365 = 90,365 : x
  2. Step 2: Convert to fraction form
    41,902/90,365 = 90,365/x
  3. Step 3: Cross multiply
    41,902x = 90,365 × 90,365
  4. Step 4: Simplify right side
    41,902x = 8,165,833,225
  5. Step 5: Solve for x
    x = 8,165,833,225/41,902
  6. Step 6: Final answer
    x = 194,879.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.