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Finding the Third Proportional to 1,821,659.63 and 2,673,379.69

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Solution

The third proportional to 1,821,659.63 and 2,673,379.69 is: 3,923,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,659.63 : 2,673,379.69 = 2,673,379.69 : x
  2. Step 2: Convert to fraction form
    1,821,659.63/2,673,379.69 = 2,673,379.69/x
  3. Step 3: Cross multiply
    1,821,659.63x = 2,673,379.69 × 2,673,379.69
  4. Step 4: Simplify right side
    1,821,659.63x = 7,146,958,953,537.60
  5. Step 5: Solve for x
    x = 7,146,958,953,537.60/1,821,659.63
  6. Step 6: Final answer
    x = 3,923,322.92

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.