Home / 1,355.50-2,543

Finding the Third Proportional to 1,355.50 and 2,543

Calculator

Solution

The third proportional to 1,355.50 and 2,543 is: 4,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355.50 : 2,543 = 2,543 : x
  2. Step 2: Convert to fraction form
    1,355.50/2,543 = 2,543/x
  3. Step 3: Cross multiply
    1,355.50x = 2,543 × 2,543
  4. Step 4: Simplify right side
    1,355.50x = 6,466,849
  5. Step 5: Solve for x
    x = 6,466,849/1,355.50
  6. Step 6: Final answer
    x = 4,770.82

Related Problems

Find third proportional to 677.75 and 1,271.50
Half scale
Find third proportional to 2,711 and 5,086
Double scale
Find third proportional to 1,358 and 2,547
Similar ratio
Find third proportional to 2,033.25 and 3,814.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.