Home / 323,820-485,770

Finding the Third Proportional to 323,820 and 485,770

Calculator

Solution

The third proportional to 323,820 and 485,770 is: 728,715.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,820 : 485,770 = 485,770 : x
  2. Step 2: Convert to fraction form
    323,820/485,770 = 485,770/x
  3. Step 3: Cross multiply
    323,820x = 485,770 × 485,770
  4. Step 4: Simplify right side
    323,820x = 235,972,492,900
  5. Step 5: Solve for x
    x = 235,972,492,900/323,820
  6. Step 6: Final answer
    x = 728,715.00

Related Problems

Find third proportional to 161,910 and 242,885
Half scale
Find third proportional to 647,640 and 971,540
Double scale
Find third proportional to 323,822 and 485,773
Similar ratio
Find third proportional to 485,730 and 728,655
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.