Home / 180,776-374,128

Finding the Third Proportional to 180,776 and 374,128

Calculator

Solution

The third proportional to 180,776 and 374,128 is: 774,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,776 : 374,128 = 374,128 : x
  2. Step 2: Convert to fraction form
    180,776/374,128 = 374,128/x
  3. Step 3: Cross multiply
    180,776x = 374,128 × 374,128
  4. Step 4: Simplify right side
    180,776x = 139,971,760,384
  5. Step 5: Solve for x
    x = 139,971,760,384/180,776
  6. Step 6: Final answer
    x = 774,282.87

Related Problems

Find third proportional to 90,388 and 187,064
Half scale
Find third proportional to 361,552 and 748,256
Double scale
Find third proportional to 180,778 and 374,132
Similar ratio
Find third proportional to 271,164 and 561,192
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.