Home / 15,376-31,720

Finding the Third Proportional to 15,376 and 31,720

Calculator

Solution

The third proportional to 15,376 and 31,720 is: 65,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376 : 31,720 = 31,720 : x
  2. Step 2: Convert to fraction form
    15,376/31,720 = 31,720/x
  3. Step 3: Cross multiply
    15,376x = 31,720 × 31,720
  4. Step 4: Simplify right side
    15,376x = 1,006,158,400
  5. Step 5: Solve for x
    x = 1,006,158,400/15,376
  6. Step 6: Final answer
    x = 65,436.94

Related Problems

Find third proportional to 7,688 and 15,860
Half scale
Find third proportional to 30,752 and 63,440
Double scale
Find third proportional to 15,378 and 31,724
Similar ratio
Find third proportional to 23,064 and 47,580
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.