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Finding the Third Proportional to 907,519.50 and 1,992,190.50

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Solution

The third proportional to 907,519.50 and 1,992,190.50 is: 4,373,264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,519.50 : 1,992,190.50 = 1,992,190.50 : x
  2. Step 2: Convert to fraction form
    907,519.50/1,992,190.50 = 1,992,190.50/x
  3. Step 3: Cross multiply
    907,519.50x = 1,992,190.50 × 1,992,190.50
  4. Step 4: Simplify right side
    907,519.50x = 3,968,822,988,290.25
  5. Step 5: Solve for x
    x = 3,968,822,988,290.25/907,519.50
  6. Step 6: Final answer
    x = 4,373,264.69

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.