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Finding the Third Proportional to 263,701,182 and 387,930,807

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Solution

The third proportional to 263,701,182 and 387,930,807 is: 570,685,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,701,182 : 387,930,807 = 387,930,807 : x
  2. Step 2: Convert to fraction form
    263,701,182/387,930,807 = 387,930,807/x
  3. Step 3: Cross multiply
    263,701,182x = 387,930,807 × 387,930,807
  4. Step 4: Simplify right side
    263,701,182x = 150,490,311,019,671,264
  5. Step 5: Solve for x
    x = 150,490,311,019,671,264/263,701,182
  6. Step 6: Final answer
    x = 570,685,007.47

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.