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Finding the Third Proportional to 3,139,973 and 6,761,078

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Solution

The third proportional to 3,139,973 and 6,761,078 is: 14,558,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,973 : 6,761,078 = 6,761,078 : x
  2. Step 2: Convert to fraction form
    3,139,973/6,761,078 = 6,761,078/x
  3. Step 3: Cross multiply
    3,139,973x = 6,761,078 × 6,761,078
  4. Step 4: Simplify right side
    3,139,973x = 45,712,175,722,084
  5. Step 5: Solve for x
    x = 45,712,175,722,084/3,139,973
  6. Step 6: Final answer
    x = 14,558,142.93

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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.