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Finding the Third Proportional to 579,556 and 886,554

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Solution

The third proportional to 579,556 and 886,554 is: 1,356,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,556 : 886,554 = 886,554 : x
  2. Step 2: Convert to fraction form
    579,556/886,554 = 886,554/x
  3. Step 3: Cross multiply
    579,556x = 886,554 × 886,554
  4. Step 4: Simplify right side
    579,556x = 785,977,994,916
  5. Step 5: Solve for x
    x = 785,977,994,916/579,556
  6. Step 6: Final answer
    x = 1,356,172.65

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.