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Finding the Third Proportional to 168,622,573 and 390,336,947

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Solution

The third proportional to 168,622,573 and 390,336,947 is: 903,573,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,622,573 : 390,336,947 = 390,336,947 : x
  2. Step 2: Convert to fraction form
    168,622,573/390,336,947 = 390,336,947/x
  3. Step 3: Cross multiply
    168,622,573x = 390,336,947 × 390,336,947
  4. Step 4: Simplify right side
    168,622,573x = 152,362,932,193,280,800
  5. Step 5: Solve for x
    x = 152,362,932,193,280,800/168,622,573
  6. Step 6: Final answer
    x = 903,573,759.33

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.