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Finding the Third Proportional to 409,968 and 881,856

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Solution

The third proportional to 409,968 and 881,856 is: 1,896,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,968 : 881,856 = 881,856 : x
  2. Step 2: Convert to fraction form
    409,968/881,856 = 881,856/x
  3. Step 3: Cross multiply
    409,968x = 881,856 × 881,856
  4. Step 4: Simplify right side
    409,968x = 777,670,004,736
  5. Step 5: Solve for x
    x = 777,670,004,736/409,968
  6. Step 6: Final answer
    x = 1,896,904.16

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.