Home / 10,602-15,921

Finding the Third Proportional to 10,602 and 15,921

Calculator

Solution

The third proportional to 10,602 and 15,921 is: 23,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602 : 15,921 = 15,921 : x
  2. Step 2: Convert to fraction form
    10,602/15,921 = 15,921/x
  3. Step 3: Cross multiply
    10,602x = 15,921 × 15,921
  4. Step 4: Simplify right side
    10,602x = 253,478,241
  5. Step 5: Solve for x
    x = 253,478,241/10,602
  6. Step 6: Final answer
    x = 23,908.53

Related Problems

Find third proportional to 5,301 and 7,960.50
Half scale
Find third proportional to 21,204 and 31,842
Double scale
Find third proportional to 10,604 and 15,924
Similar ratio
Find third proportional to 15,903 and 23,881.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.