Home / 63,484-129,880

Finding the Third Proportional to 63,484 and 129,880

Calculator

Solution

The third proportional to 63,484 and 129,880 is: 265,717.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,484 : 129,880 = 129,880 : x
  2. Step 2: Convert to fraction form
    63,484/129,880 = 129,880/x
  3. Step 3: Cross multiply
    63,484x = 129,880 × 129,880
  4. Step 4: Simplify right side
    63,484x = 16,868,814,400
  5. Step 5: Solve for x
    x = 16,868,814,400/63,484
  6. Step 6: Final answer
    x = 265,717.57

Related Problems

Find third proportional to 31,742 and 64,940
Half scale
Find third proportional to 126,968 and 259,760
Double scale
Find third proportional to 63,486 and 129,884
Similar ratio
Find third proportional to 95,226 and 194,820
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.