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Finding the Third Proportional to 3,318,408 and 7,091,712

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Solution

The third proportional to 3,318,408 and 7,091,712 is: 15,155,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,408 : 7,091,712 = 7,091,712 : x
  2. Step 2: Convert to fraction form
    3,318,408/7,091,712 = 7,091,712/x
  3. Step 3: Cross multiply
    3,318,408x = 7,091,712 × 7,091,712
  4. Step 4: Simplify right side
    3,318,408x = 50,292,379,090,944
  5. Step 5: Solve for x
    x = 50,292,379,090,944/3,318,408
  6. Step 6: Final answer
    x = 15,155,574.33

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.