Home / 109,790-239,722

Finding the Third Proportional to 109,790 and 239,722

Calculator

Solution

The third proportional to 109,790 and 239,722 is: 523,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,790 : 239,722 = 239,722 : x
  2. Step 2: Convert to fraction form
    109,790/239,722 = 239,722/x
  3. Step 3: Cross multiply
    109,790x = 239,722 × 239,722
  4. Step 4: Simplify right side
    109,790x = 57,466,637,284
  5. Step 5: Solve for x
    x = 57,466,637,284/109,790
  6. Step 6: Final answer
    x = 523,423.24

Related Problems

Find third proportional to 54,895 and 119,861
Half scale
Find third proportional to 219,580 and 479,444
Double scale
Find third proportional to 109,792 and 239,726
Similar ratio
Find third proportional to 164,685 and 359,583
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.