Home / 55,382.25-85,920

Finding the Third Proportional to 55,382.25 and 85,920

Calculator

Solution

The third proportional to 55,382.25 and 85,920 is: 133,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,382.25 : 85,920 = 85,920 : x
  2. Step 2: Convert to fraction form
    55,382.25/85,920 = 85,920/x
  3. Step 3: Cross multiply
    55,382.25x = 85,920 × 85,920
  4. Step 4: Simplify right side
    55,382.25x = 7,382,246,400
  5. Step 5: Solve for x
    x = 7,382,246,400/55,382.25
  6. Step 6: Final answer
    x = 133,296.25

Related Problems

Find third proportional to 27,691.13 and 42,960
Half scale
Find third proportional to 110,764.50 and 171,840
Double scale
Find third proportional to 55,384 and 85,923
Similar ratio
Find third proportional to 83,073.38 and 128,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.