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Finding the Third Proportional to 141,796 and 209,958

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Solution

The third proportional to 141,796 and 209,958 is: 310,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,796 : 209,958 = 209,958 : x
  2. Step 2: Convert to fraction form
    141,796/209,958 = 209,958/x
  3. Step 3: Cross multiply
    141,796x = 209,958 × 209,958
  4. Step 4: Simplify right side
    141,796x = 44,082,361,764
  5. Step 5: Solve for x
    x = 44,082,361,764/141,796
  6. Step 6: Final answer
    x = 310,885.79

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.