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Finding the Third Proportional to 860,406 and 1,336,629

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Solution

The third proportional to 860,406 and 1,336,629 is: 2,076,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,406 : 1,336,629 = 1,336,629 : x
  2. Step 2: Convert to fraction form
    860,406/1,336,629 = 1,336,629/x
  3. Step 3: Cross multiply
    860,406x = 1,336,629 × 1,336,629
  4. Step 4: Simplify right side
    860,406x = 1,786,577,083,641
  5. Step 5: Solve for x
    x = 1,786,577,083,641/860,406
  6. Step 6: Final answer
    x = 2,076,434.94

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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.