Home / 758.50-1,439

Finding the Third Proportional to 758.50 and 1,439

Calculator

Solution

The third proportional to 758.50 and 1,439 is: 2,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    758.50 : 1,439 = 1,439 : x
  2. Step 2: Convert to fraction form
    758.50/1,439 = 1,439/x
  3. Step 3: Cross multiply
    758.50x = 1,439 × 1,439
  4. Step 4: Simplify right side
    758.50x = 2,070,721
  5. Step 5: Solve for x
    x = 2,070,721/758.50
  6. Step 6: Final answer
    x = 2,730.02

Related Problems

Find third proportional to 379.25 and 719.50
Half scale
Find third proportional to 1,517 and 2,878
Double scale
Find third proportional to 761 and 1,443
Similar ratio
Find third proportional to 1,137.75 and 2,158.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.