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Finding the Third Proportional to 3,259,880 and 7,080,712

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Solution

The third proportional to 3,259,880 and 7,080,712 is: 15,379,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,880 : 7,080,712 = 7,080,712 : x
  2. Step 2: Convert to fraction form
    3,259,880/7,080,712 = 7,080,712/x
  3. Step 3: Cross multiply
    3,259,880x = 7,080,712 × 7,080,712
  4. Step 4: Simplify right side
    3,259,880x = 50,136,482,426,944
  5. Step 5: Solve for x
    x = 50,136,482,426,944/3,259,880
  6. Step 6: Final answer
    x = 15,379,855.22

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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.