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Finding the Third Proportional to 303,251,148 and 654,921,512

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Solution

The third proportional to 303,251,148 and 654,921,512 is: 1,414,412,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,251,148 : 654,921,512 = 654,921,512 : x
  2. Step 2: Convert to fraction form
    303,251,148/654,921,512 = 654,921,512/x
  3. Step 3: Cross multiply
    303,251,148x = 654,921,512 × 654,921,512
  4. Step 4: Simplify right side
    303,251,148x = 428,922,186,880,366,144
  5. Step 5: Solve for x
    x = 428,922,186,880,366,144/303,251,148
  6. Step 6: Final answer
    x = 1,414,412,409.35

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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.