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Finding the Third Proportional to 691,734 and 1,504,620

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Solution

The third proportional to 691,734 and 1,504,620 is: 3,272,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,734 : 1,504,620 = 1,504,620 : x
  2. Step 2: Convert to fraction form
    691,734/1,504,620 = 1,504,620/x
  3. Step 3: Cross multiply
    691,734x = 1,504,620 × 1,504,620
  4. Step 4: Simplify right side
    691,734x = 2,263,881,344,400
  5. Step 5: Solve for x
    x = 2,263,881,344,400/691,734
  6. Step 6: Final answer
    x = 3,272,762.86

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.