Home / 57,921-126,918

Finding the Third Proportional to 57,921 and 126,918

Calculator

Solution

The third proportional to 57,921 and 126,918 is: 278,106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,921 : 126,918 = 126,918 : x
  2. Step 2: Convert to fraction form
    57,921/126,918 = 126,918/x
  3. Step 3: Cross multiply
    57,921x = 126,918 × 126,918
  4. Step 4: Simplify right side
    57,921x = 16,108,178,724
  5. Step 5: Solve for x
    x = 16,108,178,724/57,921
  6. Step 6: Final answer
    x = 278,106.02

Related Problems

Find third proportional to 28,960.50 and 63,459
Half scale
Find third proportional to 115,842 and 253,836
Double scale
Find third proportional to 57,923 and 126,922
Similar ratio
Find third proportional to 86,881.50 and 190,377
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.