Home / 192,780-288,036

Finding the Third Proportional to 192,780 and 288,036

Calculator

Solution

The third proportional to 192,780 and 288,036 is: 430,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,780 : 288,036 = 288,036 : x
  2. Step 2: Convert to fraction form
    192,780/288,036 = 288,036/x
  3. Step 3: Cross multiply
    192,780x = 288,036 × 288,036
  4. Step 4: Simplify right side
    192,780x = 82,964,737,296
  5. Step 5: Solve for x
    x = 82,964,737,296/192,780
  6. Step 6: Final answer
    x = 430,359.67

Related Problems

Find third proportional to 96,390 and 144,018
Half scale
Find third proportional to 385,560 and 576,072
Double scale
Find third proportional to 192,782 and 288,039
Similar ratio
Find third proportional to 289,170 and 432,054
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.