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Finding the Third Proportional to 2,940,691 and 6,369,920

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Solution

The third proportional to 2,940,691 and 6,369,920 is: 13,798,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940,691 : 6,369,920 = 6,369,920 : x
  2. Step 2: Convert to fraction form
    2,940,691/6,369,920 = 6,369,920/x
  3. Step 3: Cross multiply
    2,940,691x = 6,369,920 × 6,369,920
  4. Step 4: Simplify right side
    2,940,691x = 40,575,880,806,400
  5. Step 5: Solve for x
    x = 40,575,880,806,400/2,940,691
  6. Step 6: Final answer
    x = 13,798,076.98

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.