Home / 850.92-1,378.69

Finding the Third Proportional to 850.92 and 1,378.69

Calculator

Solution

The third proportional to 850.92 and 1,378.69 is: 2,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.92 : 1,378.69 = 1,378.69 : x
  2. Step 2: Convert to fraction form
    850.92/1,378.69 = 1,378.69/x
  3. Step 3: Cross multiply
    850.92x = 1,378.69 × 1,378.69
  4. Step 4: Simplify right side
    850.92x = 1,900,779.22
  5. Step 5: Solve for x
    x = 1,900,779.22/850.92
  6. Step 6: Final answer
    x = 2,233.79

Related Problems

Find third proportional to 425.46 and 689.34
Half scale
Find third proportional to 1,701.84 and 2,757.38
Double scale
Find third proportional to 853 and 1,382
Similar ratio
Find third proportional to 1,276.38 and 2,068.03
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.