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Finding the Third Proportional to 3,117,408 and 6,479,712

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Solution

The third proportional to 3,117,408 and 6,479,712 is: 13,468,454.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,408 : 6,479,712 = 6,479,712 : x
  2. Step 2: Convert to fraction form
    3,117,408/6,479,712 = 6,479,712/x
  3. Step 3: Cross multiply
    3,117,408x = 6,479,712 × 6,479,712
  4. Step 4: Simplify right side
    3,117,408x = 41,986,667,602,944
  5. Step 5: Solve for x
    x = 41,986,667,602,944/3,117,408
  6. Step 6: Final answer
    x = 13,468,454.43

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.