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Finding the Third Proportional to 2,015,581 and 4,351,880

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Solution

The third proportional to 2,015,581 and 4,351,880 is: 9,396,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,581 : 4,351,880 = 4,351,880 : x
  2. Step 2: Convert to fraction form
    2,015,581/4,351,880 = 4,351,880/x
  3. Step 3: Cross multiply
    2,015,581x = 4,351,880 × 4,351,880
  4. Step 4: Simplify right side
    2,015,581x = 18,938,859,534,400
  5. Step 5: Solve for x
    x = 18,938,859,534,400/2,015,581
  6. Step 6: Final answer
    x = 9,396,228.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.