Home / 862.50-1,842

Finding the Third Proportional to 862.50 and 1,842

Calculator

Solution

The third proportional to 862.50 and 1,842 is: 3,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    862.50 : 1,842 = 1,842 : x
  2. Step 2: Convert to fraction form
    862.50/1,842 = 1,842/x
  3. Step 3: Cross multiply
    862.50x = 1,842 × 1,842
  4. Step 4: Simplify right side
    862.50x = 3,392,964
  5. Step 5: Solve for x
    x = 3,392,964/862.50
  6. Step 6: Final answer
    x = 3,933.87

Related Problems

Find third proportional to 431.25 and 921
Half scale
Find third proportional to 1,725 and 3,684
Double scale
Find third proportional to 865 and 1,846
Similar ratio
Find third proportional to 1,293.75 and 2,763
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.