Home / 161,820-330,066

Finding the Third Proportional to 161,820 and 330,066

Calculator

Solution

The third proportional to 161,820 and 330,066 is: 673,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,820 : 330,066 = 330,066 : x
  2. Step 2: Convert to fraction form
    161,820/330,066 = 330,066/x
  3. Step 3: Cross multiply
    161,820x = 330,066 × 330,066
  4. Step 4: Simplify right side
    161,820x = 108,943,564,356
  5. Step 5: Solve for x
    x = 108,943,564,356/161,820
  6. Step 6: Final answer
    x = 673,239.18

Related Problems

Find third proportional to 80,910 and 165,033
Half scale
Find third proportional to 323,640 and 660,132
Double scale
Find third proportional to 161,822 and 330,070
Similar ratio
Find third proportional to 242,730 and 495,099
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.