Home / 39,272-84,430

Finding the Third Proportional to 39,272 and 84,430

Calculator

Solution

The third proportional to 39,272 and 84,430 is: 181,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272 : 84,430 = 84,430 : x
  2. Step 2: Convert to fraction form
    39,272/84,430 = 84,430/x
  3. Step 3: Cross multiply
    39,272x = 84,430 × 84,430
  4. Step 4: Simplify right side
    39,272x = 7,128,424,900
  5. Step 5: Solve for x
    x = 7,128,424,900/39,272
  6. Step 6: Final answer
    x = 181,514.18

Related Problems

Find third proportional to 19,636 and 42,215
Half scale
Find third proportional to 78,544 and 168,860
Double scale
Find third proportional to 39,274 and 84,434
Similar ratio
Find third proportional to 58,908 and 126,645
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.