Home / 7,892-18,618

Finding the Third Proportional to 7,892 and 18,618

Calculator

Solution

The third proportional to 7,892 and 18,618 is: 43,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892 : 18,618 = 18,618 : x
  2. Step 2: Convert to fraction form
    7,892/18,618 = 18,618/x
  3. Step 3: Cross multiply
    7,892x = 18,618 × 18,618
  4. Step 4: Simplify right side
    7,892x = 346,629,924
  5. Step 5: Solve for x
    x = 346,629,924/7,892
  6. Step 6: Final answer
    x = 43,921.68

Related Problems

Find third proportional to 3,946 and 9,309
Half scale
Find third proportional to 15,784 and 37,236
Double scale
Find third proportional to 7,894 and 18,623
Similar ratio
Find third proportional to 11,838 and 27,927
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.