Home / 20,624-31,127

Finding the Third Proportional to 20,624 and 31,127

Calculator

Solution

The third proportional to 20,624 and 31,127 is: 46,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624 : 31,127 = 31,127 : x
  2. Step 2: Convert to fraction form
    20,624/31,127 = 31,127/x
  3. Step 3: Cross multiply
    20,624x = 31,127 × 31,127
  4. Step 4: Simplify right side
    20,624x = 968,890,129
  5. Step 5: Solve for x
    x = 968,890,129/20,624
  6. Step 6: Final answer
    x = 46,978.77

Related Problems

Find third proportional to 10,312 and 15,563.50
Half scale
Find third proportional to 41,248 and 62,254
Double scale
Find third proportional to 20,626 and 31,130
Similar ratio
Find third proportional to 30,936 and 46,690.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.