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Finding the Third Proportional to 342,949 and 753,790

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Solution

The third proportional to 342,949 and 753,790 is: 1,656,804.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,949 : 753,790 = 753,790 : x
  2. Step 2: Convert to fraction form
    342,949/753,790 = 753,790/x
  3. Step 3: Cross multiply
    342,949x = 753,790 × 753,790
  4. Step 4: Simplify right side
    342,949x = 568,199,364,100
  5. Step 5: Solve for x
    x = 568,199,364,100/342,949
  6. Step 6: Final answer
    x = 1,656,804.26

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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.