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Finding the Third Proportional to 4,394,605 and 9,640,124

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Solution

The third proportional to 4,394,605 and 9,640,124 is: 21,146,835.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,394,605 : 9,640,124 = 9,640,124 : x
  2. Step 2: Convert to fraction form
    4,394,605/9,640,124 = 9,640,124/x
  3. Step 3: Cross multiply
    4,394,605x = 9,640,124 × 9,640,124
  4. Step 4: Simplify right side
    4,394,605x = 92,931,990,735,376
  5. Step 5: Solve for x
    x = 92,931,990,735,376/4,394,605
  6. Step 6: Final answer
    x = 21,146,835.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.