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Finding the Third Proportional to 4,322,396 and 9,405,880

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Solution

The third proportional to 4,322,396 and 9,405,880 is: 20,467,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322,396 : 9,405,880 = 9,405,880 : x
  2. Step 2: Convert to fraction form
    4,322,396/9,405,880 = 9,405,880/x
  3. Step 3: Cross multiply
    4,322,396x = 9,405,880 × 9,405,880
  4. Step 4: Simplify right side
    4,322,396x = 88,470,578,574,400
  5. Step 5: Solve for x
    x = 88,470,578,574,400/4,322,396
  6. Step 6: Final answer
    x = 20,467,948.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.