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Finding the Third Proportional to 860,590 and 1,873,176

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Solution

The third proportional to 860,590 and 1,873,176 is: 4,077,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,590 : 1,873,176 = 1,873,176 : x
  2. Step 2: Convert to fraction form
    860,590/1,873,176 = 1,873,176/x
  3. Step 3: Cross multiply
    860,590x = 1,873,176 × 1,873,176
  4. Step 4: Simplify right side
    860,590x = 3,508,788,326,976
  5. Step 5: Solve for x
    x = 3,508,788,326,976/860,590
  6. Step 6: Final answer
    x = 4,077,189.29

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.