Home / 197,640-434,640

Finding the Third Proportional to 197,640 and 434,640

Calculator

Solution

The third proportional to 197,640 and 434,640 is: 955,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,640 : 434,640 = 434,640 : x
  2. Step 2: Convert to fraction form
    197,640/434,640 = 434,640/x
  3. Step 3: Cross multiply
    197,640x = 434,640 × 434,640
  4. Step 4: Simplify right side
    197,640x = 188,911,929,600
  5. Step 5: Solve for x
    x = 188,911,929,600/197,640
  6. Step 6: Final answer
    x = 955,838.54

Related Problems

Find third proportional to 98,820 and 217,320
Half scale
Find third proportional to 395,280 and 869,280
Double scale
Find third proportional to 197,642 and 434,644
Similar ratio
Find third proportional to 296,460 and 651,960
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.