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Finding the Third Proportional to 76,852 and 157,532

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Solution

The third proportional to 76,852 and 157,532 is: 322,910.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,852 : 157,532 = 157,532 : x
  2. Step 2: Convert to fraction form
    76,852/157,532 = 157,532/x
  3. Step 3: Cross multiply
    76,852x = 157,532 × 157,532
  4. Step 4: Simplify right side
    76,852x = 24,816,331,024
  5. Step 5: Solve for x
    x = 24,816,331,024/76,852
  6. Step 6: Final answer
    x = 322,910.67

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.