Home / 242,515-367,128

Finding the Third Proportional to 242,515 and 367,128

Calculator

Solution

The third proportional to 242,515 and 367,128 is: 555,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,515 : 367,128 = 367,128 : x
  2. Step 2: Convert to fraction form
    242,515/367,128 = 367,128/x
  3. Step 3: Cross multiply
    242,515x = 367,128 × 367,128
  4. Step 4: Simplify right side
    242,515x = 134,782,968,384
  5. Step 5: Solve for x
    x = 134,782,968,384/242,515
  6. Step 6: Final answer
    x = 555,771.68

Related Problems

Find third proportional to 121,257.50 and 183,564
Half scale
Find third proportional to 485,030 and 734,256
Double scale
Find third proportional to 242,517 and 367,131
Similar ratio
Find third proportional to 363,772.50 and 550,692
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.