Home / 64,128-136,968

Finding the Third Proportional to 64,128 and 136,968

Calculator

Solution

The third proportional to 64,128 and 136,968 is: 292,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,128 : 136,968 = 136,968 : x
  2. Step 2: Convert to fraction form
    64,128/136,968 = 136,968/x
  3. Step 3: Cross multiply
    64,128x = 136,968 × 136,968
  4. Step 4: Simplify right side
    64,128x = 18,760,233,024
  5. Step 5: Solve for x
    x = 18,760,233,024/64,128
  6. Step 6: Final answer
    x = 292,543.55

Related Problems

Find third proportional to 32,064 and 68,484
Half scale
Find third proportional to 128,256 and 273,936
Double scale
Find third proportional to 64,130 and 136,972
Similar ratio
Find third proportional to 96,192 and 205,452
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.