Home / 14,931-21,228

Finding the Third Proportional to 14,931 and 21,228

Calculator

Solution

The third proportional to 14,931 and 21,228 is: 30,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,931 : 21,228 = 21,228 : x
  2. Step 2: Convert to fraction form
    14,931/21,228 = 21,228/x
  3. Step 3: Cross multiply
    14,931x = 21,228 × 21,228
  4. Step 4: Simplify right side
    14,931x = 450,627,984
  5. Step 5: Solve for x
    x = 450,627,984/14,931
  6. Step 6: Final answer
    x = 30,180.70

Related Problems

Find third proportional to 7,465.50 and 10,614
Half scale
Find third proportional to 29,862 and 42,456
Double scale
Find third proportional to 14,933 and 21,231
Similar ratio
Find third proportional to 22,396.50 and 31,842
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.