Home / 324,020-664,072

Finding the Third Proportional to 324,020 and 664,072

Calculator

Solution

The third proportional to 324,020 and 664,072 is: 1,361,001.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,020 : 664,072 = 664,072 : x
  2. Step 2: Convert to fraction form
    324,020/664,072 = 664,072/x
  3. Step 3: Cross multiply
    324,020x = 664,072 × 664,072
  4. Step 4: Simplify right side
    324,020x = 440,991,621,184
  5. Step 5: Solve for x
    x = 440,991,621,184/324,020
  6. Step 6: Final answer
    x = 1,361,001.24

Related Problems

Find third proportional to 162,010 and 332,036
Half scale
Find third proportional to 648,040 and 1,328,144
Double scale
Find third proportional to 324,022 and 664,076
Similar ratio
Find third proportional to 486,030 and 996,108
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.