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Finding the Third Proportional to 74,081,236 and 159,540,668

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Solution

The third proportional to 74,081,236 and 159,540,668 is: 343,585,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,081,236 : 159,540,668 = 159,540,668 : x
  2. Step 2: Convert to fraction form
    74,081,236/159,540,668 = 159,540,668/x
  3. Step 3: Cross multiply
    74,081,236x = 159,540,668 × 159,540,668
  4. Step 4: Simplify right side
    74,081,236x = 25,453,224,745,886,224
  5. Step 5: Solve for x
    x = 25,453,224,745,886,224/74,081,236
  6. Step 6: Final answer
    x = 343,585,314.18

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.