Home / 20,902-31,262

Finding the Third Proportional to 20,902 and 31,262

Calculator

Solution

The third proportional to 20,902 and 31,262 is: 46,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,902 : 31,262 = 31,262 : x
  2. Step 2: Convert to fraction form
    20,902/31,262 = 31,262/x
  3. Step 3: Cross multiply
    20,902x = 31,262 × 31,262
  4. Step 4: Simplify right side
    20,902x = 977,312,644
  5. Step 5: Solve for x
    x = 977,312,644/20,902
  6. Step 6: Final answer
    x = 46,756.90

Related Problems

Find third proportional to 10,451 and 15,631
Half scale
Find third proportional to 41,804 and 62,524
Double scale
Find third proportional to 20,904 and 31,265
Similar ratio
Find third proportional to 31,353 and 46,893
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.