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Finding the Third Proportional to 409,392 and 880,992

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Solution

The third proportional to 409,392 and 880,992 is: 1,895,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,392 : 880,992 = 880,992 : x
  2. Step 2: Convert to fraction form
    409,392/880,992 = 880,992/x
  3. Step 3: Cross multiply
    409,392x = 880,992 × 880,992
  4. Step 4: Simplify right side
    409,392x = 776,146,904,064
  5. Step 5: Solve for x
    x = 776,146,904,064/409,392
  6. Step 6: Final answer
    x = 1,895,852.64

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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.