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Finding the Third Proportional to 1,912,512 and 4,161,516

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Solution

The third proportional to 1,912,512 and 4,161,516 is: 9,055,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,512 : 4,161,516 = 4,161,516 : x
  2. Step 2: Convert to fraction form
    1,912,512/4,161,516 = 4,161,516/x
  3. Step 3: Cross multiply
    1,912,512x = 4,161,516 × 4,161,516
  4. Step 4: Simplify right side
    1,912,512x = 17,318,215,418,256
  5. Step 5: Solve for x
    x = 17,318,215,418,256/1,912,512
  6. Step 6: Final answer
    x = 9,055,219.22

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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.