Home / 503-718

Finding the Third Proportional to 503 and 718

Calculator

Solution

The third proportional to 503 and 718 is: 1,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    503 : 718 = 718 : x
  2. Step 2: Convert to fraction form
    503/718 = 718/x
  3. Step 3: Cross multiply
    503x = 718 × 718
  4. Step 4: Simplify right side
    503x = 515,524
  5. Step 5: Solve for x
    x = 515,524/503
  6. Step 6: Final answer
    x = 1,024.90

Related Problems

Find third proportional to 251.50 and 359
Half scale
Find third proportional to 1,006 and 1,436
Double scale
Find third proportional to 505 and 721
Similar ratio
Find third proportional to 754.50 and 1,077
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.