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Finding the Third Proportional to 135,873 and 195,709.50

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Solution

The third proportional to 135,873 and 195,709.50 is: 281,897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,873 : 195,709.50 = 195,709.50 : x
  2. Step 2: Convert to fraction form
    135,873/195,709.50 = 195,709.50/x
  3. Step 3: Cross multiply
    135,873x = 195,709.50 × 195,709.50
  4. Step 4: Simplify right side
    135,873x = 38,302,208,390.25
  5. Step 5: Solve for x
    x = 38,302,208,390.25/135,873
  6. Step 6: Final answer
    x = 281,897.13

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.