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Finding the Third Proportional to 2,910,429.98 and 6,122,529.28

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Solution

The third proportional to 2,910,429.98 and 6,122,529.28 is: 12,879,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,429.98 : 6,122,529.28 = 6,122,529.28 : x
  2. Step 2: Convert to fraction form
    2,910,429.98/6,122,529.28 = 6,122,529.28/x
  3. Step 3: Cross multiply
    2,910,429.98x = 6,122,529.28 × 6,122,529.28
  4. Step 4: Simplify right side
    2,910,429.98x = 37,485,364,799,763.64
  5. Step 5: Solve for x
    x = 37,485,364,799,763.64/2,910,429.98
  6. Step 6: Final answer
    x = 12,879,665.55

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.