Home / 912.38-1,377.56

Finding the Third Proportional to 912.38 and 1,377.56

Calculator

Solution

The third proportional to 912.38 and 1,377.56 is: 2,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    912.38 : 1,377.56 = 1,377.56 : x
  2. Step 2: Convert to fraction form
    912.38/1,377.56 = 1,377.56/x
  3. Step 3: Cross multiply
    912.38x = 1,377.56 × 1,377.56
  4. Step 4: Simplify right side
    912.38x = 1,897,678.44
  5. Step 5: Solve for x
    x = 1,897,678.44/912.38
  6. Step 6: Final answer
    x = 2,079.93

Related Problems

Find third proportional to 456.19 and 688.78
Half scale
Find third proportional to 1,824.75 and 2,755.13
Double scale
Find third proportional to 914 and 1,381
Similar ratio
Find third proportional to 1,368.56 and 2,066.34
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.