Home / 18,784-39,958

Finding the Third Proportional to 18,784 and 39,958

Calculator

Solution

The third proportional to 18,784 and 39,958 is: 85,000.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784 : 39,958 = 39,958 : x
  2. Step 2: Convert to fraction form
    18,784/39,958 = 39,958/x
  3. Step 3: Cross multiply
    18,784x = 39,958 × 39,958
  4. Step 4: Simplify right side
    18,784x = 1,596,641,764
  5. Step 5: Solve for x
    x = 1,596,641,764/18,784
  6. Step 6: Final answer
    x = 85,000.09

Related Problems

Find third proportional to 9,392 and 19,979
Half scale
Find third proportional to 37,568 and 79,916
Double scale
Find third proportional to 18,786 and 39,962
Similar ratio
Find third proportional to 28,176 and 59,937
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.