Home / 398,942-582,983

Finding the Third Proportional to 398,942 and 582,983

Calculator

Solution

The third proportional to 398,942 and 582,983 is: 851,926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,942 : 582,983 = 582,983 : x
  2. Step 2: Convert to fraction form
    398,942/582,983 = 582,983/x
  3. Step 3: Cross multiply
    398,942x = 582,983 × 582,983
  4. Step 4: Simplify right side
    398,942x = 339,869,178,289
  5. Step 5: Solve for x
    x = 339,869,178,289/398,942
  6. Step 6: Final answer
    x = 851,926.29

Related Problems

Find third proportional to 199,471 and 291,491.50
Half scale
Find third proportional to 797,884 and 1,165,966
Double scale
Find third proportional to 398,944 and 582,986
Similar ratio
Find third proportional to 598,413 and 874,474.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.