Home / 156,961-339,680

Finding the Third Proportional to 156,961 and 339,680

Calculator

Solution

The third proportional to 156,961 and 339,680 is: 735,103.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,961 : 339,680 = 339,680 : x
  2. Step 2: Convert to fraction form
    156,961/339,680 = 339,680/x
  3. Step 3: Cross multiply
    156,961x = 339,680 × 339,680
  4. Step 4: Simplify right side
    156,961x = 115,382,502,400
  5. Step 5: Solve for x
    x = 115,382,502,400/156,961
  6. Step 6: Final answer
    x = 735,103.00

Related Problems

Find third proportional to 78,480.50 and 169,840
Half scale
Find third proportional to 313,922 and 679,360
Double scale
Find third proportional to 156,963 and 339,684
Similar ratio
Find third proportional to 235,441.50 and 509,520
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.