Home / 7,840-16,472

Finding the Third Proportional to 7,840 and 16,472

Calculator

Solution

The third proportional to 7,840 and 16,472 is: 34,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840 : 16,472 = 16,472 : x
  2. Step 2: Convert to fraction form
    7,840/16,472 = 16,472/x
  3. Step 3: Cross multiply
    7,840x = 16,472 × 16,472
  4. Step 4: Simplify right side
    7,840x = 271,326,784
  5. Step 5: Solve for x
    x = 271,326,784/7,840
  6. Step 6: Final answer
    x = 34,608.01

Related Problems

Find third proportional to 3,920 and 8,236
Half scale
Find third proportional to 15,680 and 32,944
Double scale
Find third proportional to 7,842 and 16,476
Similar ratio
Find third proportional to 11,760 and 24,708
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.