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Finding the Third Proportional to 545,456 and 1,192,992

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Solution

The third proportional to 545,456 and 1,192,992 is: 2,609,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,456 : 1,192,992 = 1,192,992 : x
  2. Step 2: Convert to fraction form
    545,456/1,192,992 = 1,192,992/x
  3. Step 3: Cross multiply
    545,456x = 1,192,992 × 1,192,992
  4. Step 4: Simplify right side
    545,456x = 1,423,229,912,064
  5. Step 5: Solve for x
    x = 1,423,229,912,064/545,456
  6. Step 6: Final answer
    x = 2,609,247.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.