Home / 129,212-274,076

Finding the Third Proportional to 129,212 and 274,076

Calculator

Solution

The third proportional to 129,212 and 274,076 is: 581,351.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,212 : 274,076 = 274,076 : x
  2. Step 2: Convert to fraction form
    129,212/274,076 = 274,076/x
  3. Step 3: Cross multiply
    129,212x = 274,076 × 274,076
  4. Step 4: Simplify right side
    129,212x = 75,117,653,776
  5. Step 5: Solve for x
    x = 75,117,653,776/129,212
  6. Step 6: Final answer
    x = 581,351.99

Related Problems

Find third proportional to 64,606 and 137,038
Half scale
Find third proportional to 258,424 and 548,152
Double scale
Find third proportional to 129,214 and 274,080
Similar ratio
Find third proportional to 193,818 and 411,114
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.