Home / 15,456-27,840

Finding the Third Proportional to 15,456 and 27,840

Calculator

Solution

The third proportional to 15,456 and 27,840 is: 50,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456 : 27,840 = 27,840 : x
  2. Step 2: Convert to fraction form
    15,456/27,840 = 27,840/x
  3. Step 3: Cross multiply
    15,456x = 27,840 × 27,840
  4. Step 4: Simplify right side
    15,456x = 775,065,600
  5. Step 5: Solve for x
    x = 775,065,600/15,456
  6. Step 6: Final answer
    x = 50,146.58

Related Problems

Find third proportional to 7,728 and 13,920
Half scale
Find third proportional to 30,912 and 55,680
Double scale
Find third proportional to 15,458 and 27,844
Similar ratio
Find third proportional to 23,184 and 41,760
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.