Home / 381,032-827,728

Finding the Third Proportional to 381,032 and 827,728

Calculator

Solution

The third proportional to 381,032 and 827,728 is: 1,798,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,032 : 827,728 = 827,728 : x
  2. Step 2: Convert to fraction form
    381,032/827,728 = 827,728/x
  3. Step 3: Cross multiply
    381,032x = 827,728 × 827,728
  4. Step 4: Simplify right side
    381,032x = 685,133,641,984
  5. Step 5: Solve for x
    x = 685,133,641,984/381,032
  6. Step 6: Final answer
    x = 1,798,100.01

Related Problems

Find third proportional to 190,516 and 413,864
Half scale
Find third proportional to 762,064 and 1,655,456
Double scale
Find third proportional to 381,034 and 827,732
Similar ratio
Find third proportional to 571,548 and 1,241,592
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.