Home / 39,822-87,029

Finding the Third Proportional to 39,822 and 87,029

Calculator

Solution

The third proportional to 39,822 and 87,029 is: 190,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,822 : 87,029 = 87,029 : x
  2. Step 2: Convert to fraction form
    39,822/87,029 = 87,029/x
  3. Step 3: Cross multiply
    39,822x = 87,029 × 87,029
  4. Step 4: Simplify right side
    39,822x = 7,574,046,841
  5. Step 5: Solve for x
    x = 7,574,046,841/39,822
  6. Step 6: Final answer
    x = 190,197.55

Related Problems

Find third proportional to 19,911 and 43,514.50
Half scale
Find third proportional to 79,644 and 174,058
Double scale
Find third proportional to 39,824 and 87,033
Similar ratio
Find third proportional to 59,733 and 130,543.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.