Home / 9,915-14,251

Finding the Third Proportional to 9,915 and 14,251

Calculator

Solution

The third proportional to 9,915 and 14,251 is: 20,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915 : 14,251 = 14,251 : x
  2. Step 2: Convert to fraction form
    9,915/14,251 = 14,251/x
  3. Step 3: Cross multiply
    9,915x = 14,251 × 14,251
  4. Step 4: Simplify right side
    9,915x = 203,091,001
  5. Step 5: Solve for x
    x = 203,091,001/9,915
  6. Step 6: Final answer
    x = 20,483.21

Related Problems

Find third proportional to 4,957.50 and 7,125.50
Half scale
Find third proportional to 19,830 and 28,502
Double scale
Find third proportional to 9,917 and 14,254
Similar ratio
Find third proportional to 14,872.50 and 21,376.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.