Home / 389,530-582,744

Finding the Third Proportional to 389,530 and 582,744

Calculator

Solution

The third proportional to 389,530 and 582,744 is: 871,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,530 : 582,744 = 582,744 : x
  2. Step 2: Convert to fraction form
    389,530/582,744 = 582,744/x
  3. Step 3: Cross multiply
    389,530x = 582,744 × 582,744
  4. Step 4: Simplify right side
    389,530x = 339,590,569,536
  5. Step 5: Solve for x
    x = 339,590,569,536/389,530
  6. Step 6: Final answer
    x = 871,795.68

Related Problems

Find third proportional to 194,765 and 291,372
Half scale
Find third proportional to 779,060 and 1,165,488
Double scale
Find third proportional to 389,532 and 582,747
Similar ratio
Find third proportional to 584,295 and 874,116
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.