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Finding the Third Proportional to 343,712 and 755,131

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Solution

The third proportional to 343,712 and 755,131 is: 1,659,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,712 : 755,131 = 755,131 : x
  2. Step 2: Convert to fraction form
    343,712/755,131 = 755,131/x
  3. Step 3: Cross multiply
    343,712x = 755,131 × 755,131
  4. Step 4: Simplify right side
    343,712x = 570,222,827,161
  5. Step 5: Solve for x
    x = 570,222,827,161/343,712
  6. Step 6: Final answer
    x = 1,659,013.44

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.