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Finding the Third Proportional to 394,803 and 589,569.75

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Solution

The third proportional to 394,803 and 589,569.75 is: 880,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,803 : 589,569.75 = 589,569.75 : x
  2. Step 2: Convert to fraction form
    394,803/589,569.75 = 589,569.75/x
  3. Step 3: Cross multiply
    394,803x = 589,569.75 × 589,569.75
  4. Step 4: Simplify right side
    394,803x = 347,592,490,115.06
  5. Step 5: Solve for x
    x = 347,592,490,115.06/394,803
  6. Step 6: Final answer
    x = 880,420.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.