Home / 130,412-201,783

Finding the Third Proportional to 130,412 and 201,783

Calculator

Solution

The third proportional to 130,412 and 201,783 is: 312,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,412 : 201,783 = 201,783 : x
  2. Step 2: Convert to fraction form
    130,412/201,783 = 201,783/x
  3. Step 3: Cross multiply
    130,412x = 201,783 × 201,783
  4. Step 4: Simplify right side
    130,412x = 40,716,379,089
  5. Step 5: Solve for x
    x = 40,716,379,089/130,412
  6. Step 6: Final answer
    x = 312,213.44

Related Problems

Find third proportional to 65,206 and 100,891.50
Half scale
Find third proportional to 260,824 and 403,566
Double scale
Find third proportional to 130,414 and 201,786
Similar ratio
Find third proportional to 195,618 and 302,674.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.