Home / 28,750-38,639

Finding the Third Proportional to 28,750 and 38,639

Calculator

Solution

The third proportional to 28,750 and 38,639 is: 51,929.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750 : 38,639 = 38,639 : x
  2. Step 2: Convert to fraction form
    28,750/38,639 = 38,639/x
  3. Step 3: Cross multiply
    28,750x = 38,639 × 38,639
  4. Step 4: Simplify right side
    28,750x = 1,492,972,321
  5. Step 5: Solve for x
    x = 1,492,972,321/28,750
  6. Step 6: Final answer
    x = 51,929.47

Related Problems

Find third proportional to 14,375 and 19,319.50
Half scale
Find third proportional to 57,500 and 77,278
Double scale
Find third proportional to 28,752 and 38,642
Similar ratio
Find third proportional to 43,125 and 57,958.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.