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Finding the Third Proportional to 10,212,700 and 15,812,766

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Solution

The third proportional to 10,212,700 and 15,812,766 is: 24,483,590.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212,700 : 15,812,766 = 15,812,766 : x
  2. Step 2: Convert to fraction form
    10,212,700/15,812,766 = 15,812,766/x
  3. Step 3: Cross multiply
    10,212,700x = 15,812,766 × 15,812,766
  4. Step 4: Simplify right side
    10,212,700x = 250,043,568,570,756
  5. Step 5: Solve for x
    x = 250,043,568,570,756/10,212,700
  6. Step 6: Final answer
    x = 24,483,590.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.