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Finding the Third Proportional to 148,081 and 211,045

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Solution

The third proportional to 148,081 and 211,045 is: 300,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,081 : 211,045 = 211,045 : x
  2. Step 2: Convert to fraction form
    148,081/211,045 = 211,045/x
  3. Step 3: Cross multiply
    148,081x = 211,045 × 211,045
  4. Step 4: Simplify right side
    148,081x = 44,539,992,025
  5. Step 5: Solve for x
    x = 44,539,992,025/148,081
  6. Step 6: Final answer
    x = 300,781.28

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.