Home / 197,306-426,139

Finding the Third Proportional to 197,306 and 426,139

Calculator

Solution

The third proportional to 197,306 and 426,139 is: 920,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,306 : 426,139 = 426,139 : x
  2. Step 2: Convert to fraction form
    197,306/426,139 = 426,139/x
  3. Step 3: Cross multiply
    197,306x = 426,139 × 426,139
  4. Step 4: Simplify right side
    197,306x = 181,594,447,321
  5. Step 5: Solve for x
    x = 181,594,447,321/197,306
  6. Step 6: Final answer
    x = 920,369.62

Related Problems

Find third proportional to 98,653 and 213,069.50
Half scale
Find third proportional to 394,612 and 852,278
Double scale
Find third proportional to 197,308 and 426,143
Similar ratio
Find third proportional to 295,959 and 639,208.50
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.