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Finding the Third Proportional to 576,641 and 860,188

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Solution

The third proportional to 576,641 and 860,188 is: 1,283,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,641 : 860,188 = 860,188 : x
  2. Step 2: Convert to fraction form
    576,641/860,188 = 860,188/x
  3. Step 3: Cross multiply
    576,641x = 860,188 × 860,188
  4. Step 4: Simplify right side
    576,641x = 739,923,395,344
  5. Step 5: Solve for x
    x = 739,923,395,344/576,641
  6. Step 6: Final answer
    x = 1,283,161.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.