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Finding the Third Proportional to 445,331,601 and 921,211,218

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Solution

The third proportional to 445,331,601 and 921,211,218 is: 1,905,613,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,331,601 : 921,211,218 = 921,211,218 : x
  2. Step 2: Convert to fraction form
    445,331,601/921,211,218 = 921,211,218/x
  3. Step 3: Cross multiply
    445,331,601x = 921,211,218 × 921,211,218
  4. Step 4: Simplify right side
    445,331,601x = 848,630,108,169,043,584
  5. Step 5: Solve for x
    x = 848,630,108,169,043,584/445,331,601
  6. Step 6: Final answer
    x = 1,905,613,943.10

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.