Home / 355,890-783,081

Finding the Third Proportional to 355,890 and 783,081

Calculator

Solution

The third proportional to 355,890 and 783,081 is: 1,723,048.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,890 : 783,081 = 783,081 : x
  2. Step 2: Convert to fraction form
    355,890/783,081 = 783,081/x
  3. Step 3: Cross multiply
    355,890x = 783,081 × 783,081
  4. Step 4: Simplify right side
    355,890x = 613,215,852,561
  5. Step 5: Solve for x
    x = 613,215,852,561/355,890
  6. Step 6: Final answer
    x = 1,723,048.84

Related Problems

Find third proportional to 177,945 and 391,540.50
Half scale
Find third proportional to 711,780 and 1,566,162
Double scale
Find third proportional to 355,892 and 783,085
Similar ratio
Find third proportional to 533,835 and 1,174,621.50
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.