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Finding the Third Proportional to 119,990 and 262,579

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Solution

The third proportional to 119,990 and 262,579 is: 574,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,990 : 262,579 = 262,579 : x
  2. Step 2: Convert to fraction form
    119,990/262,579 = 262,579/x
  3. Step 3: Cross multiply
    119,990x = 262,579 × 262,579
  4. Step 4: Simplify right side
    119,990x = 68,947,731,241
  5. Step 5: Solve for x
    x = 68,947,731,241/119,990
  6. Step 6: Final answer
    x = 574,612.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.