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Finding the Third Proportional to 579,100,817 and 815,501,554

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Solution

The third proportional to 579,100,817 and 815,501,554 is: 1,148,405,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,100,817 : 815,501,554 = 815,501,554 : x
  2. Step 2: Convert to fraction form
    579,100,817/815,501,554 = 815,501,554/x
  3. Step 3: Cross multiply
    579,100,817x = 815,501,554 × 815,501,554
  4. Step 4: Simplify right side
    579,100,817x = 665,042,784,576,414,976
  5. Step 5: Solve for x
    x = 665,042,784,576,414,976/579,100,817
  6. Step 6: Final answer
    x = 1,148,405,882.11

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.