Home / 427,908-920,184

Finding the Third Proportional to 427,908 and 920,184

Calculator

Solution

The third proportional to 427,908 and 920,184 is: 1,978,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,908 : 920,184 = 920,184 : x
  2. Step 2: Convert to fraction form
    427,908/920,184 = 920,184/x
  3. Step 3: Cross multiply
    427,908x = 920,184 × 920,184
  4. Step 4: Simplify right side
    427,908x = 846,738,593,856
  5. Step 5: Solve for x
    x = 846,738,593,856/427,908
  6. Step 6: Final answer
    x = 1,978,786.55

Related Problems

Find third proportional to 213,954 and 460,092
Half scale
Find third proportional to 855,816 and 1,840,368
Double scale
Find third proportional to 427,910 and 920,188
Similar ratio
Find third proportional to 641,862 and 1,380,276
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.