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Finding the Third Proportional to 1,817,211.94 and 3,964,501.69

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Solution

The third proportional to 1,817,211.94 and 3,964,501.69 is: 8,649,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,211.94 : 3,964,501.69 = 3,964,501.69 : x
  2. Step 2: Convert to fraction form
    1,817,211.94/3,964,501.69 = 3,964,501.69/x
  3. Step 3: Cross multiply
    1,817,211.94x = 3,964,501.69 × 3,964,501.69
  4. Step 4: Simplify right side
    1,817,211.94x = 15,717,273,630,190.35
  5. Step 5: Solve for x
    x = 15,717,273,630,190.35/1,817,211.94
  6. Step 6: Final answer
    x = 8,649,114.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.