Home / 1,020-1,368

Finding the Third Proportional to 1,020 and 1,368

Calculator

Solution

The third proportional to 1,020 and 1,368 is: 1,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020 : 1,368 = 1,368 : x
  2. Step 2: Convert to fraction form
    1,020/1,368 = 1,368/x
  3. Step 3: Cross multiply
    1,020x = 1,368 × 1,368
  4. Step 4: Simplify right side
    1,020x = 1,871,424
  5. Step 5: Solve for x
    x = 1,871,424/1,020
  6. Step 6: Final answer
    x = 1,834.73

Related Problems

Find third proportional to 510 and 684
Half scale
Find third proportional to 2,040 and 2,736
Double scale
Find third proportional to 1,022 and 1,371
Similar ratio
Find third proportional to 1,530 and 2,052
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.