Home / 17,020-36,780

Finding the Third Proportional to 17,020 and 36,780

Calculator

Solution

The third proportional to 17,020 and 36,780 is: 79,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020 : 36,780 = 36,780 : x
  2. Step 2: Convert to fraction form
    17,020/36,780 = 36,780/x
  3. Step 3: Cross multiply
    17,020x = 36,780 × 36,780
  4. Step 4: Simplify right side
    17,020x = 1,352,768,400
  5. Step 5: Solve for x
    x = 1,352,768,400/17,020
  6. Step 6: Final answer
    x = 79,481.10

Related Problems

Find third proportional to 8,510 and 18,390
Half scale
Find third proportional to 34,040 and 73,560
Double scale
Find third proportional to 17,022 and 36,784
Similar ratio
Find third proportional to 25,530 and 55,170
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.