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Finding the Third Proportional to 151,031 and 239,938.50

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Solution

The third proportional to 151,031 and 239,938.50 is: 381,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,031 : 239,938.50 = 239,938.50 : x
  2. Step 2: Convert to fraction form
    151,031/239,938.50 = 239,938.50/x
  3. Step 3: Cross multiply
    151,031x = 239,938.50 × 239,938.50
  4. Step 4: Simplify right side
    151,031x = 57,570,483,782.25
  5. Step 5: Solve for x
    x = 57,570,483,782.25/151,031
  6. Step 6: Final answer
    x = 381,183.23

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.