Home / 15,372-25,515

Finding the Third Proportional to 15,372 and 25,515

Calculator

Solution

The third proportional to 15,372 and 25,515 is: 42,350.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372 : 25,515 = 25,515 : x
  2. Step 2: Convert to fraction form
    15,372/25,515 = 25,515/x
  3. Step 3: Cross multiply
    15,372x = 25,515 × 25,515
  4. Step 4: Simplify right side
    15,372x = 651,015,225
  5. Step 5: Solve for x
    x = 651,015,225/15,372
  6. Step 6: Final answer
    x = 42,350.72

Related Problems

Find third proportional to 7,686 and 12,757.50
Half scale
Find third proportional to 30,744 and 51,030
Double scale
Find third proportional to 15,374 and 25,518
Similar ratio
Find third proportional to 23,058 and 38,272.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.