Home / 296.50-431

Finding the Third Proportional to 296.50 and 431

Calculator

Solution

The third proportional to 296.50 and 431 is: 626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.50 : 431 = 431 : x
  2. Step 2: Convert to fraction form
    296.50/431 = 431/x
  3. Step 3: Cross multiply
    296.50x = 431 × 431
  4. Step 4: Simplify right side
    296.50x = 185,761
  5. Step 5: Solve for x
    x = 185,761/296.50
  6. Step 6: Final answer
    x = 626.51

Related Problems

Find third proportional to 148.25 and 215.50
Half scale
Find third proportional to 593 and 862
Double scale
Find third proportional to 299 and 434
Similar ratio
Find third proportional to 444.75 and 646.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.