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Finding the Third Proportional to 394,758,294 and 855,415,236

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Solution

The third proportional to 394,758,294 and 855,415,236 is: 1,853,628,504.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,758,294 : 855,415,236 = 855,415,236 : x
  2. Step 2: Convert to fraction form
    394,758,294/855,415,236 = 855,415,236/x
  3. Step 3: Cross multiply
    394,758,294x = 855,415,236 × 855,415,236
  4. Step 4: Simplify right side
    394,758,294x = 731,735,225,980,935,680
  5. Step 5: Solve for x
    x = 731,735,225,980,935,680/394,758,294
  6. Step 6: Final answer
    x = 1,853,628,504.08

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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.