Home / 8,462-17,620

Finding the Third Proportional to 8,462 and 17,620

Calculator

Solution

The third proportional to 8,462 and 17,620 is: 36,689.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462 : 17,620 = 17,620 : x
  2. Step 2: Convert to fraction form
    8,462/17,620 = 17,620/x
  3. Step 3: Cross multiply
    8,462x = 17,620 × 17,620
  4. Step 4: Simplify right side
    8,462x = 310,464,400
  5. Step 5: Solve for x
    x = 310,464,400/8,462
  6. Step 6: Final answer
    x = 36,689.25

Related Problems

Find third proportional to 4,231 and 8,810
Half scale
Find third proportional to 16,924 and 35,240
Double scale
Find third proportional to 8,464 and 17,624
Similar ratio
Find third proportional to 12,693 and 26,430
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.