Home / 197,640-288,036

Finding the Third Proportional to 197,640 and 288,036

Calculator

Solution

The third proportional to 197,640 and 288,036 is: 419,777.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,640 : 288,036 = 288,036 : x
  2. Step 2: Convert to fraction form
    197,640/288,036 = 288,036/x
  3. Step 3: Cross multiply
    197,640x = 288,036 × 288,036
  4. Step 4: Simplify right side
    197,640x = 82,964,737,296
  5. Step 5: Solve for x
    x = 82,964,737,296/197,640
  6. Step 6: Final answer
    x = 419,777.06

Related Problems

Find third proportional to 98,820 and 144,018
Half scale
Find third proportional to 395,280 and 576,072
Double scale
Find third proportional to 197,642 and 288,039
Similar ratio
Find third proportional to 296,460 and 432,054
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.