Home / 8,357-17,991

Finding the Third Proportional to 8,357 and 17,991

Calculator

Solution

The third proportional to 8,357 and 17,991 is: 38,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357 : 17,991 = 17,991 : x
  2. Step 2: Convert to fraction form
    8,357/17,991 = 17,991/x
  3. Step 3: Cross multiply
    8,357x = 17,991 × 17,991
  4. Step 4: Simplify right side
    8,357x = 323,676,081
  5. Step 5: Solve for x
    x = 323,676,081/8,357
  6. Step 6: Final answer
    x = 38,731.13

Related Problems

Find third proportional to 4,178.50 and 8,995.50
Half scale
Find third proportional to 16,714 and 35,982
Double scale
Find third proportional to 8,359 and 17,995
Similar ratio
Find third proportional to 12,535.50 and 26,986.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.