Home / 5,405-9,934

Finding the Third Proportional to 5,405 and 9,934

Calculator

Solution

The third proportional to 5,405 and 9,934 is: 18,257.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405 : 9,934 = 9,934 : x
  2. Step 2: Convert to fraction form
    5,405/9,934 = 9,934/x
  3. Step 3: Cross multiply
    5,405x = 9,934 × 9,934
  4. Step 4: Simplify right side
    5,405x = 98,684,356
  5. Step 5: Solve for x
    x = 98,684,356/5,405
  6. Step 6: Final answer
    x = 18,257.98

Related Problems

Find third proportional to 2,702.50 and 4,967
Half scale
Find third proportional to 10,810 and 19,868
Double scale
Find third proportional to 5,407 and 9,938
Similar ratio
Find third proportional to 8,107.50 and 14,901
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.