Home / 8,970-17,711

Finding the Third Proportional to 8,970 and 17,711

Calculator

Solution

The third proportional to 8,970 and 17,711 is: 34,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970 : 17,711 = 17,711 : x
  2. Step 2: Convert to fraction form
    8,970/17,711 = 17,711/x
  3. Step 3: Cross multiply
    8,970x = 17,711 × 17,711
  4. Step 4: Simplify right side
    8,970x = 313,679,521
  5. Step 5: Solve for x
    x = 313,679,521/8,970
  6. Step 6: Final answer
    x = 34,969.85

Related Problems

Find third proportional to 4,485 and 8,855.50
Half scale
Find third proportional to 17,940 and 35,422
Double scale
Find third proportional to 8,972 and 17,715
Similar ratio
Find third proportional to 13,455 and 26,566.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.