Home / 127,074-178,512

Finding the Third Proportional to 127,074 and 178,512

Calculator

Solution

The third proportional to 127,074 and 178,512 is: 250,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,074 : 178,512 = 178,512 : x
  2. Step 2: Convert to fraction form
    127,074/178,512 = 178,512/x
  3. Step 3: Cross multiply
    127,074x = 178,512 × 178,512
  4. Step 4: Simplify right side
    127,074x = 31,866,534,144
  5. Step 5: Solve for x
    x = 31,866,534,144/127,074
  6. Step 6: Final answer
    x = 250,771.47

Related Problems

Find third proportional to 63,537 and 89,256
Half scale
Find third proportional to 254,148 and 357,024
Double scale
Find third proportional to 127,076 and 178,515
Similar ratio
Find third proportional to 190,611 and 267,768
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.