Home / 18,142-28,043

Finding the Third Proportional to 18,142 and 28,043

Calculator

Solution

The third proportional to 18,142 and 28,043 is: 43,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142 : 28,043 = 28,043 : x
  2. Step 2: Convert to fraction form
    18,142/28,043 = 28,043/x
  3. Step 3: Cross multiply
    18,142x = 28,043 × 28,043
  4. Step 4: Simplify right side
    18,142x = 786,409,849
  5. Step 5: Solve for x
    x = 786,409,849/18,142
  6. Step 6: Final answer
    x = 43,347.47

Related Problems

Find third proportional to 9,071 and 14,021.50
Half scale
Find third proportional to 36,284 and 56,086
Double scale
Find third proportional to 18,144 and 28,046
Similar ratio
Find third proportional to 27,213 and 42,064.50
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.