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Finding the Third Proportional to 71,542,620 and 155,183,724

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Solution

The third proportional to 71,542,620 and 155,183,724 is: 336,610,375.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,542,620 : 155,183,724 = 155,183,724 : x
  2. Step 2: Convert to fraction form
    71,542,620/155,183,724 = 155,183,724/x
  3. Step 3: Cross multiply
    71,542,620x = 155,183,724 × 155,183,724
  4. Step 4: Simplify right side
    71,542,620x = 24,081,988,194,508,176
  5. Step 5: Solve for x
    x = 24,081,988,194,508,176/71,542,620
  6. Step 6: Final answer
    x = 336,610,375.67

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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.