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Finding the Third Proportional to 554,832 and 860,760

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Solution

The third proportional to 554,832 and 860,760 is: 1,335,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,832 : 860,760 = 860,760 : x
  2. Step 2: Convert to fraction form
    554,832/860,760 = 860,760/x
  3. Step 3: Cross multiply
    554,832x = 860,760 × 860,760
  4. Step 4: Simplify right side
    554,832x = 740,907,777,600
  5. Step 5: Solve for x
    x = 740,907,777,600/554,832
  6. Step 6: Final answer
    x = 1,335,373.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.