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Finding the Third Proportional to 137,934 and 210,910

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Solution

The third proportional to 137,934 and 210,910 is: 322,495.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,934 : 210,910 = 210,910 : x
  2. Step 2: Convert to fraction form
    137,934/210,910 = 210,910/x
  3. Step 3: Cross multiply
    137,934x = 210,910 × 210,910
  4. Step 4: Simplify right side
    137,934x = 44,483,028,100
  5. Step 5: Solve for x
    x = 44,483,028,100/137,934
  6. Step 6: Final answer
    x = 322,495.02

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.