Home / 285-572

Finding the Third Proportional to 285 and 572

Calculator

Solution

The third proportional to 285 and 572 is: 1,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    285 : 572 = 572 : x
  2. Step 2: Convert to fraction form
    285/572 = 572/x
  3. Step 3: Cross multiply
    285x = 572 × 572
  4. Step 4: Simplify right side
    285x = 327,184
  5. Step 5: Solve for x
    x = 327,184/285
  6. Step 6: Final answer
    x = 1,148.01

Related Problems

Find third proportional to 142.50 and 286
Half scale
Find third proportional to 570 and 1,144
Double scale
Find third proportional to 287 and 576
Similar ratio
Find third proportional to 427.50 and 858
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.