Home / 13,288-19,310

Finding the Third Proportional to 13,288 and 19,310

Calculator

Solution

The third proportional to 13,288 and 19,310 is: 28,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288 : 19,310 = 19,310 : x
  2. Step 2: Convert to fraction form
    13,288/19,310 = 19,310/x
  3. Step 3: Cross multiply
    13,288x = 19,310 × 19,310
  4. Step 4: Simplify right side
    13,288x = 372,876,100
  5. Step 5: Solve for x
    x = 372,876,100/13,288
  6. Step 6: Final answer
    x = 28,061.12

Related Problems

Find third proportional to 6,644 and 9,655
Half scale
Find third proportional to 26,576 and 38,620
Double scale
Find third proportional to 13,290 and 19,313
Similar ratio
Find third proportional to 19,932 and 28,965
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.