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Finding the Third Proportional to 395,263,557 and 858,570,313.50

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Solution

The third proportional to 395,263,557 and 858,570,313.50 is: 1,864,940,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,263,557 : 858,570,313.50 = 858,570,313.50 : x
  2. Step 2: Convert to fraction form
    395,263,557/858,570,313.50 = 858,570,313.50/x
  3. Step 3: Cross multiply
    395,263,557x = 858,570,313.50 × 858,570,313.50
  4. Step 4: Simplify right side
    395,263,557x = 737,142,983,223,488,256
  5. Step 5: Solve for x
    x = 737,142,983,223,488,256/395,263,557
  6. Step 6: Final answer
    x = 1,864,940,418.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.