Home / 883.13-991.69

Finding the Third Proportional to 883.13 and 991.69

Calculator

Solution

The third proportional to 883.13 and 991.69 is: 1,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.13 : 991.69 = 991.69 : x
  2. Step 2: Convert to fraction form
    883.13/991.69 = 991.69/x
  3. Step 3: Cross multiply
    883.13x = 991.69 × 991.69
  4. Step 4: Simplify right side
    883.13x = 983,444.10
  5. Step 5: Solve for x
    x = 983,444.10/883.13
  6. Step 6: Final answer
    x = 1,113.60

Related Problems

Find third proportional to 441.56 and 495.84
Half scale
Find third proportional to 1,766.25 and 1,983.38
Double scale
Find third proportional to 885 and 994
Similar ratio
Find third proportional to 1,324.69 and 1,487.53
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.