Home / 1,356-2,572

Finding the Third Proportional to 1,356 and 2,572

Calculator

Solution

The third proportional to 1,356 and 2,572 is: 4,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356 : 2,572 = 2,572 : x
  2. Step 2: Convert to fraction form
    1,356/2,572 = 2,572/x
  3. Step 3: Cross multiply
    1,356x = 2,572 × 2,572
  4. Step 4: Simplify right side
    1,356x = 6,615,184
  5. Step 5: Solve for x
    x = 6,615,184/1,356
  6. Step 6: Final answer
    x = 4,878.45

Related Problems

Find third proportional to 678 and 1,286
Half scale
Find third proportional to 2,712 and 5,144
Double scale
Find third proportional to 1,358 and 2,576
Similar ratio
Find third proportional to 2,034 and 3,858
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.