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Finding the Third Proportional to 72,183,792 and 155,873,208

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Solution

The third proportional to 72,183,792 and 155,873,208 is: 336,591,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,792 : 155,873,208 = 155,873,208 : x
  2. Step 2: Convert to fraction form
    72,183,792/155,873,208 = 155,873,208/x
  3. Step 3: Cross multiply
    72,183,792x = 155,873,208 × 155,873,208
  4. Step 4: Simplify right side
    72,183,792x = 24,296,456,972,211,264
  5. Step 5: Solve for x
    x = 24,296,456,972,211,264/72,183,792
  6. Step 6: Final answer
    x = 336,591,585.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.