Home / 155,970-251,183

Finding the Third Proportional to 155,970 and 251,183

Calculator

Solution

The third proportional to 155,970 and 251,183 is: 404,519.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,970 : 251,183 = 251,183 : x
  2. Step 2: Convert to fraction form
    155,970/251,183 = 251,183/x
  3. Step 3: Cross multiply
    155,970x = 251,183 × 251,183
  4. Step 4: Simplify right side
    155,970x = 63,092,899,489
  5. Step 5: Solve for x
    x = 63,092,899,489/155,970
  6. Step 6: Final answer
    x = 404,519.46

Related Problems

Find third proportional to 77,985 and 125,591.50
Half scale
Find third proportional to 311,940 and 502,366
Double scale
Find third proportional to 155,972 and 251,186
Similar ratio
Find third proportional to 233,955 and 376,774.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.