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Finding the Third Proportional to 350,608 and 767,912

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Solution

The third proportional to 350,608 and 767,912 is: 1,681,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,608 : 767,912 = 767,912 : x
  2. Step 2: Convert to fraction form
    350,608/767,912 = 767,912/x
  3. Step 3: Cross multiply
    350,608x = 767,912 × 767,912
  4. Step 4: Simplify right side
    350,608x = 589,688,839,744
  5. Step 5: Solve for x
    x = 589,688,839,744/350,608
  6. Step 6: Final answer
    x = 1,681,903.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.