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Finding the Third Proportional to 156,153 and 338,532

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Solution

The third proportional to 156,153 and 338,532 is: 733,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,153 : 338,532 = 338,532 : x
  2. Step 2: Convert to fraction form
    156,153/338,532 = 338,532/x
  3. Step 3: Cross multiply
    156,153x = 338,532 × 338,532
  4. Step 4: Simplify right side
    156,153x = 114,603,915,024
  5. Step 5: Solve for x
    x = 114,603,915,024/156,153
  6. Step 6: Final answer
    x = 733,920.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.