Home / 39,840-58,845

Finding the Third Proportional to 39,840 and 58,845

Calculator

Solution

The third proportional to 39,840 and 58,845 is: 86,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840 : 58,845 = 58,845 : x
  2. Step 2: Convert to fraction form
    39,840/58,845 = 58,845/x
  3. Step 3: Cross multiply
    39,840x = 58,845 × 58,845
  4. Step 4: Simplify right side
    39,840x = 3,462,734,025
  5. Step 5: Solve for x
    x = 3,462,734,025/39,840
  6. Step 6: Final answer
    x = 86,916.01

Related Problems

Find third proportional to 19,920 and 29,422.50
Half scale
Find third proportional to 79,680 and 117,690
Double scale
Find third proportional to 39,842 and 58,848
Similar ratio
Find third proportional to 59,760 and 88,267.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.