Home / 837.50-1,817

Finding the Third Proportional to 837.50 and 1,817

Calculator

Solution

The third proportional to 837.50 and 1,817 is: 3,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    837.50 : 1,817 = 1,817 : x
  2. Step 2: Convert to fraction form
    837.50/1,817 = 1,817/x
  3. Step 3: Cross multiply
    837.50x = 1,817 × 1,817
  4. Step 4: Simplify right side
    837.50x = 3,301,489
  5. Step 5: Solve for x
    x = 3,301,489/837.50
  6. Step 6: Final answer
    x = 3,942.08

Related Problems

Find third proportional to 418.75 and 908.50
Half scale
Find third proportional to 1,675 and 3,634
Double scale
Find third proportional to 840 and 1,821
Similar ratio
Find third proportional to 1,256.25 and 2,725.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.