Home / 336-542

Finding the Third Proportional to 336 and 542

Calculator

Solution

The third proportional to 336 and 542 is: 874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336 : 542 = 542 : x
  2. Step 2: Convert to fraction form
    336/542 = 542/x
  3. Step 3: Cross multiply
    336x = 542 × 542
  4. Step 4: Simplify right side
    336x = 293,764
  5. Step 5: Solve for x
    x = 293,764/336
  6. Step 6: Final answer
    x = 874.30

Related Problems

Find third proportional to 168 and 271
Half scale
Find third proportional to 672 and 1,084
Double scale
Find third proportional to 338 and 545
Similar ratio
Find third proportional to 504 and 813
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.