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Finding the Third Proportional to 4,622,556 and 7,185,609

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Solution

The third proportional to 4,622,556 and 7,185,609 is: 11,169,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622,556 : 7,185,609 = 7,185,609 : x
  2. Step 2: Convert to fraction form
    4,622,556/7,185,609 = 7,185,609/x
  3. Step 3: Cross multiply
    4,622,556x = 7,185,609 × 7,185,609
  4. Step 4: Simplify right side
    4,622,556x = 51,632,976,700,881
  5. Step 5: Solve for x
    x = 51,632,976,700,881/4,622,556
  6. Step 6: Final answer
    x = 11,169,789.33

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.