Home / 17,220-36,510

Finding the Third Proportional to 17,220 and 36,510

Calculator

Solution

The third proportional to 17,220 and 36,510 is: 77,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220 : 36,510 = 36,510 : x
  2. Step 2: Convert to fraction form
    17,220/36,510 = 36,510/x
  3. Step 3: Cross multiply
    17,220x = 36,510 × 36,510
  4. Step 4: Simplify right side
    17,220x = 1,332,980,100
  5. Step 5: Solve for x
    x = 1,332,980,100/17,220
  6. Step 6: Final answer
    x = 77,408.83

Related Problems

Find third proportional to 8,610 and 18,255
Half scale
Find third proportional to 34,440 and 73,020
Double scale
Find third proportional to 17,222 and 36,514
Similar ratio
Find third proportional to 25,830 and 54,765
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.