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Finding the Third Proportional to 1,187,703 and 2,771,820

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Solution

The third proportional to 1,187,703 and 2,771,820 is: 6,468,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,703 : 2,771,820 = 2,771,820 : x
  2. Step 2: Convert to fraction form
    1,187,703/2,771,820 = 2,771,820/x
  3. Step 3: Cross multiply
    1,187,703x = 2,771,820 × 2,771,820
  4. Step 4: Simplify right side
    1,187,703x = 7,682,986,112,400
  5. Step 5: Solve for x
    x = 7,682,986,112,400/1,187,703
  6. Step 6: Final answer
    x = 6,468,777.22

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.