Home / 39,360-58,440

Finding the Third Proportional to 39,360 and 58,440

Calculator

Solution

The third proportional to 39,360 and 58,440 is: 86,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,360 : 58,440 = 58,440 : x
  2. Step 2: Convert to fraction form
    39,360/58,440 = 58,440/x
  3. Step 3: Cross multiply
    39,360x = 58,440 × 58,440
  4. Step 4: Simplify right side
    39,360x = 3,415,233,600
  5. Step 5: Solve for x
    x = 3,415,233,600/39,360
  6. Step 6: Final answer
    x = 86,769.15

Related Problems

Find third proportional to 19,680 and 29,220
Half scale
Find third proportional to 78,720 and 116,880
Double scale
Find third proportional to 39,362 and 58,443
Similar ratio
Find third proportional to 59,040 and 87,660
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.