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Finding the Third Proportional to 21,518,143 and 46,436,800

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Solution

The third proportional to 21,518,143 and 46,436,800 is: 100,212,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,518,143 : 46,436,800 = 46,436,800 : x
  2. Step 2: Convert to fraction form
    21,518,143/46,436,800 = 46,436,800/x
  3. Step 3: Cross multiply
    21,518,143x = 46,436,800 × 46,436,800
  4. Step 4: Simplify right side
    21,518,143x = 2,156,376,394,240,000
  5. Step 5: Solve for x
    x = 2,156,376,394,240,000/21,518,143
  6. Step 6: Final answer
    x = 100,212,011.52

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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.