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Finding the Third Proportional to 395,263,559 and 858,570,318

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Solution

The third proportional to 395,263,559 and 858,570,318 is: 1,864,940,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,263,559 : 858,570,318 = 858,570,318 : x
  2. Step 2: Convert to fraction form
    395,263,559/858,570,318 = 858,570,318/x
  3. Step 3: Cross multiply
    395,263,559x = 858,570,318 × 858,570,318
  4. Step 4: Simplify right side
    395,263,559x = 737,142,990,950,621,184
  5. Step 5: Solve for x
    x = 737,142,990,950,621,184/395,263,559
  6. Step 6: Final answer
    x = 1,864,940,428.14

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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.