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Finding the Third Proportional to 578,194 and 889,836

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Solution

The third proportional to 578,194 and 889,836 is: 1,369,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,194 : 889,836 = 889,836 : x
  2. Step 2: Convert to fraction form
    578,194/889,836 = 889,836/x
  3. Step 3: Cross multiply
    578,194x = 889,836 × 889,836
  4. Step 4: Simplify right side
    578,194x = 791,808,106,896
  5. Step 5: Solve for x
    x = 791,808,106,896/578,194
  6. Step 6: Final answer
    x = 1,369,450.58

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.