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Finding the Third Proportional to 102,914 and 153,939

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Solution

The third proportional to 102,914 and 153,939 is: 230,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,914 : 153,939 = 153,939 : x
  2. Step 2: Convert to fraction form
    102,914/153,939 = 153,939/x
  3. Step 3: Cross multiply
    102,914x = 153,939 × 153,939
  4. Step 4: Simplify right side
    102,914x = 23,697,215,721
  5. Step 5: Solve for x
    x = 23,697,215,721/102,914
  6. Step 6: Final answer
    x = 230,262.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.