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Finding the Third Proportional to 445,331,610 and 921,211,236

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Solution

The third proportional to 445,331,610 and 921,211,236 is: 1,905,613,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,331,610 : 921,211,236 = 921,211,236 : x
  2. Step 2: Convert to fraction form
    445,331,610/921,211,236 = 921,211,236/x
  3. Step 3: Cross multiply
    445,331,610x = 921,211,236 × 921,211,236
  4. Step 4: Simplify right side
    445,331,610x = 848,630,141,332,647,680
  5. Step 5: Solve for x
    x = 848,630,141,332,647,680/445,331,610
  6. Step 6: Final answer
    x = 1,905,613,979.06

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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.