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Finding the Third Proportional to 891,612 and 1,738,576

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Solution

The third proportional to 891,612 and 1,738,576 is: 3,390,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,612 : 1,738,576 = 1,738,576 : x
  2. Step 2: Convert to fraction form
    891,612/1,738,576 = 1,738,576/x
  3. Step 3: Cross multiply
    891,612x = 1,738,576 × 1,738,576
  4. Step 4: Simplify right side
    891,612x = 3,022,646,507,776
  5. Step 5: Solve for x
    x = 3,022,646,507,776/891,612
  6. Step 6: Final answer
    x = 3,390,091.78

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.