Home / 326,171-661,512

Finding the Third Proportional to 326,171 and 661,512

Calculator

Solution

The third proportional to 326,171 and 661,512 is: 1,341,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,171 : 661,512 = 661,512 : x
  2. Step 2: Convert to fraction form
    326,171/661,512 = 661,512/x
  3. Step 3: Cross multiply
    326,171x = 661,512 × 661,512
  4. Step 4: Simplify right side
    326,171x = 437,598,126,144
  5. Step 5: Solve for x
    x = 437,598,126,144/326,171
  6. Step 6: Final answer
    x = 1,341,621.81

Related Problems

Find third proportional to 163,085.50 and 330,756
Half scale
Find third proportional to 652,342 and 1,323,024
Double scale
Find third proportional to 326,173 and 661,516
Similar ratio
Find third proportional to 489,256.50 and 992,268
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.