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Finding the Third Proportional to 3,489,362 and 5,213,130

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Solution

The third proportional to 3,489,362 and 5,213,130 is: 7,788,450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489,362 : 5,213,130 = 5,213,130 : x
  2. Step 2: Convert to fraction form
    3,489,362/5,213,130 = 5,213,130/x
  3. Step 3: Cross multiply
    3,489,362x = 5,213,130 × 5,213,130
  4. Step 4: Simplify right side
    3,489,362x = 27,176,724,396,900
  5. Step 5: Solve for x
    x = 27,176,724,396,900/3,489,362
  6. Step 6: Final answer
    x = 7,788,450.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.