Home / 31,360-45,840

Finding the Third Proportional to 31,360 and 45,840

Calculator

Solution

The third proportional to 31,360 and 45,840 is: 67,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360 : 45,840 = 45,840 : x
  2. Step 2: Convert to fraction form
    31,360/45,840 = 45,840/x
  3. Step 3: Cross multiply
    31,360x = 45,840 × 45,840
  4. Step 4: Simplify right side
    31,360x = 2,101,305,600
  5. Step 5: Solve for x
    x = 2,101,305,600/31,360
  6. Step 6: Final answer
    x = 67,005.92

Related Problems

Find third proportional to 15,680 and 22,920
Half scale
Find third proportional to 62,720 and 91,680
Double scale
Find third proportional to 31,362 and 45,843
Similar ratio
Find third proportional to 47,040 and 68,760
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.