Home / 55,680-85,284

Finding the Third Proportional to 55,680 and 85,284

Calculator

Solution

The third proportional to 55,680 and 85,284 is: 130,627.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,680 : 85,284 = 85,284 : x
  2. Step 2: Convert to fraction form
    55,680/85,284 = 85,284/x
  3. Step 3: Cross multiply
    55,680x = 85,284 × 85,284
  4. Step 4: Simplify right side
    55,680x = 7,273,360,656
  5. Step 5: Solve for x
    x = 7,273,360,656/55,680
  6. Step 6: Final answer
    x = 130,627.89

Related Problems

Find third proportional to 27,840 and 42,642
Half scale
Find third proportional to 111,360 and 170,568
Double scale
Find third proportional to 55,682 and 85,287
Similar ratio
Find third proportional to 83,520 and 127,926
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.