Home / 18,750-28,317

Finding the Third Proportional to 18,750 and 28,317

Calculator

Solution

The third proportional to 18,750 and 28,317 is: 42,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750 : 28,317 = 28,317 : x
  2. Step 2: Convert to fraction form
    18,750/28,317 = 28,317/x
  3. Step 3: Cross multiply
    18,750x = 28,317 × 28,317
  4. Step 4: Simplify right side
    18,750x = 801,852,489
  5. Step 5: Solve for x
    x = 801,852,489/18,750
  6. Step 6: Final answer
    x = 42,765.47

Related Problems

Find third proportional to 9,375 and 14,158.50
Half scale
Find third proportional to 37,500 and 56,634
Double scale
Find third proportional to 18,752 and 28,320
Similar ratio
Find third proportional to 28,125 and 42,475.50
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.