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Finding the Third Proportional to 21,574,812 and 46,351,392

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Solution

The third proportional to 21,574,812 and 46,351,392 is: 99,581,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574,812 : 46,351,392 = 46,351,392 : x
  2. Step 2: Convert to fraction form
    21,574,812/46,351,392 = 46,351,392/x
  3. Step 3: Cross multiply
    21,574,812x = 46,351,392 × 46,351,392
  4. Step 4: Simplify right side
    21,574,812x = 2,148,451,540,337,664
  5. Step 5: Solve for x
    x = 2,148,451,540,337,664/21,574,812
  6. Step 6: Final answer
    x = 99,581,472.15

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.