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Finding the Third Proportional to 818,679 and 1,677,894

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Solution

The third proportional to 818,679 and 1,677,894 is: 3,438,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,679 : 1,677,894 = 1,677,894 : x
  2. Step 2: Convert to fraction form
    818,679/1,677,894 = 1,677,894/x
  3. Step 3: Cross multiply
    818,679x = 1,677,894 × 1,677,894
  4. Step 4: Simplify right side
    818,679x = 2,815,328,275,236
  5. Step 5: Solve for x
    x = 2,815,328,275,236/818,679
  6. Step 6: Final answer
    x = 3,438,867.10

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.