Home / 320,850-367,506

Finding the Third Proportional to 320,850 and 367,506

Calculator

Solution

The third proportional to 320,850 and 367,506 is: 420,946.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,850 : 367,506 = 367,506 : x
  2. Step 2: Convert to fraction form
    320,850/367,506 = 367,506/x
  3. Step 3: Cross multiply
    320,850x = 367,506 × 367,506
  4. Step 4: Simplify right side
    320,850x = 135,060,660,036
  5. Step 5: Solve for x
    x = 135,060,660,036/320,850
  6. Step 6: Final answer
    x = 420,946.42

Related Problems

Find third proportional to 160,425 and 183,753
Half scale
Find third proportional to 641,700 and 735,012
Double scale
Find third proportional to 320,852 and 367,508
Similar ratio
Find third proportional to 481,275 and 551,259
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.