Home / 115,915-253,997

Finding the Third Proportional to 115,915 and 253,997

Calculator

Solution

The third proportional to 115,915 and 253,997 is: 556,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,915 : 253,997 = 253,997 : x
  2. Step 2: Convert to fraction form
    115,915/253,997 = 253,997/x
  3. Step 3: Cross multiply
    115,915x = 253,997 × 253,997
  4. Step 4: Simplify right side
    115,915x = 64,514,476,009
  5. Step 5: Solve for x
    x = 64,514,476,009/115,915
  6. Step 6: Final answer
    x = 556,567.11

Related Problems

Find third proportional to 57,957.50 and 126,998.50
Half scale
Find third proportional to 231,830 and 507,994
Double scale
Find third proportional to 115,917 and 254,001
Similar ratio
Find third proportional to 173,872.50 and 380,995.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.