Home / 38,072-54,840

Finding the Third Proportional to 38,072 and 54,840

Calculator

Solution

The third proportional to 38,072 and 54,840 is: 78,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072 : 54,840 = 54,840 : x
  2. Step 2: Convert to fraction form
    38,072/54,840 = 54,840/x
  3. Step 3: Cross multiply
    38,072x = 54,840 × 54,840
  4. Step 4: Simplify right side
    38,072x = 3,007,425,600
  5. Step 5: Solve for x
    x = 3,007,425,600/38,072
  6. Step 6: Final answer
    x = 78,993.11

Related Problems

Find third proportional to 19,036 and 27,420
Half scale
Find third proportional to 76,144 and 109,680
Double scale
Find third proportional to 38,074 and 54,843
Similar ratio
Find third proportional to 57,108 and 82,260
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.