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Finding the Third Proportional to 1,188,890 and 2,571,696

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Solution

The third proportional to 1,188,890 and 2,571,696 is: 5,562,853.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,890 : 2,571,696 = 2,571,696 : x
  2. Step 2: Convert to fraction form
    1,188,890/2,571,696 = 2,571,696/x
  3. Step 3: Cross multiply
    1,188,890x = 2,571,696 × 2,571,696
  4. Step 4: Simplify right side
    1,188,890x = 6,613,620,316,416
  5. Step 5: Solve for x
    x = 6,613,620,316,416/1,188,890
  6. Step 6: Final answer
    x = 5,562,853.01

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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.