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Finding the Third Proportional to 2,203,946.81 and 3,405,659.91

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Solution

The third proportional to 2,203,946.81 and 3,405,659.91 is: 5,262,613.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203,946.81 : 3,405,659.91 = 3,405,659.91 : x
  2. Step 2: Convert to fraction form
    2,203,946.81/3,405,659.91 = 3,405,659.91/x
  3. Step 3: Cross multiply
    2,203,946.81x = 3,405,659.91 × 3,405,659.91
  4. Step 4: Simplify right side
    2,203,946.81x = 11,598,519,397,038.76
  5. Step 5: Solve for x
    x = 11,598,519,397,038.76/2,203,946.81
  6. Step 6: Final answer
    x = 5,262,613.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.