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Finding the Third Proportional to 4,302,990 and 9,269,883

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Solution

The third proportional to 4,302,990 and 9,269,883 is: 19,970,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302,990 : 9,269,883 = 9,269,883 : x
  2. Step 2: Convert to fraction form
    4,302,990/9,269,883 = 9,269,883/x
  3. Step 3: Cross multiply
    4,302,990x = 9,269,883 × 9,269,883
  4. Step 4: Simplify right side
    4,302,990x = 85,930,730,833,689
  5. Step 5: Solve for x
    x = 85,930,730,833,689/4,302,990
  6. Step 6: Final answer
    x = 19,970,004.77

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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.