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Finding the Third Proportional to 2,957,129 and 6,416,176

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Solution

The third proportional to 2,957,129 and 6,416,176 is: 13,921,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957,129 : 6,416,176 = 6,416,176 : x
  2. Step 2: Convert to fraction form
    2,957,129/6,416,176 = 6,416,176/x
  3. Step 3: Cross multiply
    2,957,129x = 6,416,176 × 6,416,176
  4. Step 4: Simplify right side
    2,957,129x = 41,167,314,462,976
  5. Step 5: Solve for x
    x = 41,167,314,462,976/2,957,129
  6. Step 6: Final answer
    x = 13,921,379.31

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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.