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Finding the Third Proportional to 156,148.50 and 347,235

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Solution

The third proportional to 156,148.50 and 347,235 is: 772,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,148.50 : 347,235 = 347,235 : x
  2. Step 2: Convert to fraction form
    156,148.50/347,235 = 347,235/x
  3. Step 3: Cross multiply
    156,148.50x = 347,235 × 347,235
  4. Step 4: Simplify right side
    156,148.50x = 120,572,145,225
  5. Step 5: Solve for x
    x = 120,572,145,225/156,148.50
  6. Step 6: Final answer
    x = 772,163.33

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.