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Finding the Third Proportional to 405,306 and 881,962

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Solution

The third proportional to 405,306 and 881,962 is: 1,919,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,306 : 881,962 = 881,962 : x
  2. Step 2: Convert to fraction form
    405,306/881,962 = 881,962/x
  3. Step 3: Cross multiply
    405,306x = 881,962 × 881,962
  4. Step 4: Simplify right side
    405,306x = 777,856,969,444
  5. Step 5: Solve for x
    x = 777,856,969,444/405,306
  6. Step 6: Final answer
    x = 1,919,184.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.