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Finding the Third Proportional to 405,734 and 881,452

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Solution

The third proportional to 405,734 and 881,452 is: 1,914,943.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,734 : 881,452 = 881,452 : x
  2. Step 2: Convert to fraction form
    405,734/881,452 = 881,452/x
  3. Step 3: Cross multiply
    405,734x = 881,452 × 881,452
  4. Step 4: Simplify right side
    405,734x = 776,957,628,304
  5. Step 5: Solve for x
    x = 776,957,628,304/405,734
  6. Step 6: Final answer
    x = 1,914,943.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.