Home / 14,785-31,915

Finding the Third Proportional to 14,785 and 31,915

Calculator

Solution

The third proportional to 14,785 and 31,915 is: 68,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785 : 31,915 = 31,915 : x
  2. Step 2: Convert to fraction form
    14,785/31,915 = 31,915/x
  3. Step 3: Cross multiply
    14,785x = 31,915 × 31,915
  4. Step 4: Simplify right side
    14,785x = 1,018,567,225
  5. Step 5: Solve for x
    x = 1,018,567,225/14,785
  6. Step 6: Final answer
    x = 68,891.93

Related Problems

Find third proportional to 7,392.50 and 15,957.50
Half scale
Find third proportional to 29,570 and 63,830
Double scale
Find third proportional to 14,787 and 31,919
Similar ratio
Find third proportional to 22,177.50 and 47,872.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.