Home / 279.50-494

Finding the Third Proportional to 279.50 and 494

Calculator

Solution

The third proportional to 279.50 and 494 is: 873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    279.50 : 494 = 494 : x
  2. Step 2: Convert to fraction form
    279.50/494 = 494/x
  3. Step 3: Cross multiply
    279.50x = 494 × 494
  4. Step 4: Simplify right side
    279.50x = 244,036
  5. Step 5: Solve for x
    x = 244,036/279.50
  6. Step 6: Final answer
    x = 873.12

Related Problems

Find third proportional to 139.75 and 247
Half scale
Find third proportional to 559 and 988
Double scale
Find third proportional to 282 and 498
Similar ratio
Find third proportional to 419.25 and 741
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.