Home / 841.75-1,321

Finding the Third Proportional to 841.75 and 1,321

Calculator

Solution

The third proportional to 841.75 and 1,321 is: 2,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.75 : 1,321 = 1,321 : x
  2. Step 2: Convert to fraction form
    841.75/1,321 = 1,321/x
  3. Step 3: Cross multiply
    841.75x = 1,321 × 1,321
  4. Step 4: Simplify right side
    841.75x = 1,745,041
  5. Step 5: Solve for x
    x = 1,745,041/841.75
  6. Step 6: Final answer
    x = 2,073.11

Related Problems

Find third proportional to 420.88 and 660.50
Half scale
Find third proportional to 1,683.50 and 2,642
Double scale
Find third proportional to 844 and 1,324
Similar ratio
Find third proportional to 1,262.63 and 1,981.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.