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Finding the Third Proportional to 1,100,515.50 and 1,640,619

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Solution

The third proportional to 1,100,515.50 and 1,640,619 is: 2,445,790.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,515.50 : 1,640,619 = 1,640,619 : x
  2. Step 2: Convert to fraction form
    1,100,515.50/1,640,619 = 1,640,619/x
  3. Step 3: Cross multiply
    1,100,515.50x = 1,640,619 × 1,640,619
  4. Step 4: Simplify right side
    1,100,515.50x = 2,691,630,703,161
  5. Step 5: Solve for x
    x = 2,691,630,703,161/1,100,515.50
  6. Step 6: Final answer
    x = 2,445,790.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.