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Finding the Third Proportional to 818,739 and 1,761,894

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Solution

The third proportional to 818,739 and 1,761,894 is: 3,791,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,739 : 1,761,894 = 1,761,894 : x
  2. Step 2: Convert to fraction form
    818,739/1,761,894 = 1,761,894/x
  3. Step 3: Cross multiply
    818,739x = 1,761,894 × 1,761,894
  4. Step 4: Simplify right side
    818,739x = 3,104,270,467,236
  5. Step 5: Solve for x
    x = 3,104,270,467,236/818,739
  6. Step 6: Final answer
    x = 3,791,526.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.