Home / 9,855-13,365

Finding the Third Proportional to 9,855 and 13,365

Calculator

Solution

The third proportional to 9,855 and 13,365 is: 18,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855 : 13,365 = 13,365 : x
  2. Step 2: Convert to fraction form
    9,855/13,365 = 13,365/x
  3. Step 3: Cross multiply
    9,855x = 13,365 × 13,365
  4. Step 4: Simplify right side
    9,855x = 178,623,225
  5. Step 5: Solve for x
    x = 178,623,225/9,855
  6. Step 6: Final answer
    x = 18,125.14

Related Problems

Find third proportional to 4,927.50 and 6,682.50
Half scale
Find third proportional to 19,710 and 26,730
Double scale
Find third proportional to 9,857 and 13,368
Similar ratio
Find third proportional to 14,782.50 and 20,047.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.