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Finding the Third Proportional to 887,794 and 1,391,190

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Solution

The third proportional to 887,794 and 1,391,190 is: 2,180,021.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,794 : 1,391,190 = 1,391,190 : x
  2. Step 2: Convert to fraction form
    887,794/1,391,190 = 1,391,190/x
  3. Step 3: Cross multiply
    887,794x = 1,391,190 × 1,391,190
  4. Step 4: Simplify right side
    887,794x = 1,935,409,616,100
  5. Step 5: Solve for x
    x = 1,935,409,616,100/887,794
  6. Step 6: Final answer
    x = 2,180,021.06

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.