Home / 161,868.38-378,077.63

Finding the Third Proportional to 161,868.38 and 378,077.63

Calculator

Solution

The third proportional to 161,868.38 and 378,077.63 is: 883,079.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,868.38 : 378,077.63 = 378,077.63 : x
  2. Step 2: Convert to fraction form
    161,868.38/378,077.63 = 378,077.63/x
  3. Step 3: Cross multiply
    161,868.38x = 378,077.63 × 378,077.63
  4. Step 4: Simplify right side
    161,868.38x = 142,942,690,525.64
  5. Step 5: Solve for x
    x = 142,942,690,525.64/161,868.38
  6. Step 6: Final answer
    x = 883,079.79

Related Problems

Find third proportional to 80,934.19 and 189,038.81
Half scale
Find third proportional to 323,736.75 and 756,155.25
Double scale
Find third proportional to 161,870 and 378,082
Similar ratio
Find third proportional to 242,802.56 and 567,116.44
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.