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Finding the Third Proportional to 889,140 and 1,917,288

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Solution

The third proportional to 889,140 and 1,917,288 is: 4,134,324.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,140 : 1,917,288 = 1,917,288 : x
  2. Step 2: Convert to fraction form
    889,140/1,917,288 = 1,917,288/x
  3. Step 3: Cross multiply
    889,140x = 1,917,288 × 1,917,288
  4. Step 4: Simplify right side
    889,140x = 3,675,993,274,944
  5. Step 5: Solve for x
    x = 3,675,993,274,944/889,140
  6. Step 6: Final answer
    x = 4,134,324.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.