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Finding the Third Proportional to 685,620 and 1,476,600.75

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Solution

The third proportional to 685,620 and 1,476,600.75 is: 3,180,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,620 : 1,476,600.75 = 1,476,600.75 : x
  2. Step 2: Convert to fraction form
    685,620/1,476,600.75 = 1,476,600.75/x
  3. Step 3: Cross multiply
    685,620x = 1,476,600.75 × 1,476,600.75
  4. Step 4: Simplify right side
    685,620x = 2,180,349,774,900.56
  5. Step 5: Solve for x
    x = 2,180,349,774,900.56/685,620
  6. Step 6: Final answer
    x = 3,180,114.02

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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.