Home / 552.38-1,278.94

Finding the Third Proportional to 552.38 and 1,278.94

Calculator

Solution

The third proportional to 552.38 and 1,278.94 is: 2,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.38 : 1,278.94 = 1,278.94 : x
  2. Step 2: Convert to fraction form
    552.38/1,278.94 = 1,278.94/x
  3. Step 3: Cross multiply
    552.38x = 1,278.94 × 1,278.94
  4. Step 4: Simplify right side
    552.38x = 1,635,681.13
  5. Step 5: Solve for x
    x = 1,635,681.13/552.38
  6. Step 6: Final answer
    x = 2,961.18

Related Problems

Find third proportional to 276.19 and 639.47
Half scale
Find third proportional to 1,104.75 and 2,557.88
Double scale
Find third proportional to 554 and 1,284
Similar ratio
Find third proportional to 828.56 and 1,918.41
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.