Home / 19,478-28,917

Finding the Third Proportional to 19,478 and 28,917

Calculator

Solution

The third proportional to 19,478 and 28,917 is: 42,930.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478 : 28,917 = 28,917 : x
  2. Step 2: Convert to fraction form
    19,478/28,917 = 28,917/x
  3. Step 3: Cross multiply
    19,478x = 28,917 × 28,917
  4. Step 4: Simplify right side
    19,478x = 836,192,889
  5. Step 5: Solve for x
    x = 836,192,889/19,478
  6. Step 6: Final answer
    x = 42,930.12

Related Problems

Find third proportional to 9,739 and 14,458.50
Half scale
Find third proportional to 38,956 and 57,834
Double scale
Find third proportional to 19,480 and 28,920
Similar ratio
Find third proportional to 29,217 and 43,375.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.