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Finding the Third Proportional to 156,031.50 and 235,425

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Solution

The third proportional to 156,031.50 and 235,425 is: 355,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,031.50 : 235,425 = 235,425 : x
  2. Step 2: Convert to fraction form
    156,031.50/235,425 = 235,425/x
  3. Step 3: Cross multiply
    156,031.50x = 235,425 × 235,425
  4. Step 4: Simplify right side
    156,031.50x = 55,424,930,625
  5. Step 5: Solve for x
    x = 55,424,930,625/156,031.50
  6. Step 6: Final answer
    x = 355,216.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.