Home / 295.50-558

Finding the Third Proportional to 295.50 and 558

Calculator

Solution

The third proportional to 295.50 and 558 is: 1,053.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.50 : 558 = 558 : x
  2. Step 2: Convert to fraction form
    295.50/558 = 558/x
  3. Step 3: Cross multiply
    295.50x = 558 × 558
  4. Step 4: Simplify right side
    295.50x = 311,364
  5. Step 5: Solve for x
    x = 311,364/295.50
  6. Step 6: Final answer
    x = 1,053.69

Related Problems

Find third proportional to 147.75 and 279
Half scale
Find third proportional to 591 and 1,116
Double scale
Find third proportional to 298 and 562
Similar ratio
Find third proportional to 443.25 and 837
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.