Home / 15,140-17,330

Finding the Third Proportional to 15,140 and 17,330

Calculator

Solution

The third proportional to 15,140 and 17,330 is: 19,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140 : 17,330 = 17,330 : x
  2. Step 2: Convert to fraction form
    15,140/17,330 = 17,330/x
  3. Step 3: Cross multiply
    15,140x = 17,330 × 17,330
  4. Step 4: Simplify right side
    15,140x = 300,328,900
  5. Step 5: Solve for x
    x = 300,328,900/15,140
  6. Step 6: Final answer
    x = 19,836.78

Related Problems

Find third proportional to 7,570 and 8,665
Half scale
Find third proportional to 30,280 and 34,660
Double scale
Find third proportional to 15,142 and 17,332
Similar ratio
Find third proportional to 22,710 and 25,995
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.