Home / 7,672-19,711

Finding the Third Proportional to 7,672 and 19,711

Calculator

Solution

The third proportional to 7,672 and 19,711 is: 50,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672 : 19,711 = 19,711 : x
  2. Step 2: Convert to fraction form
    7,672/19,711 = 19,711/x
  3. Step 3: Cross multiply
    7,672x = 19,711 × 19,711
  4. Step 4: Simplify right side
    7,672x = 388,523,521
  5. Step 5: Solve for x
    x = 388,523,521/7,672
  6. Step 6: Final answer
    x = 50,641.75

Related Problems

Find third proportional to 3,836 and 9,855.50
Half scale
Find third proportional to 15,344 and 39,422
Double scale
Find third proportional to 7,674 and 19,716
Similar ratio
Find third proportional to 11,508 and 29,566.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.