Home / 18,783-40,574

Finding the Third Proportional to 18,783 and 40,574

Calculator

Solution

The third proportional to 18,783 and 40,574 is: 87,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783 : 40,574 = 40,574 : x
  2. Step 2: Convert to fraction form
    18,783/40,574 = 40,574/x
  3. Step 3: Cross multiply
    18,783x = 40,574 × 40,574
  4. Step 4: Simplify right side
    18,783x = 1,646,249,476
  5. Step 5: Solve for x
    x = 1,646,249,476/18,783
  6. Step 6: Final answer
    x = 87,645.72

Related Problems

Find third proportional to 9,391.50 and 20,287
Half scale
Find third proportional to 37,566 and 81,148
Double scale
Find third proportional to 18,785 and 40,578
Similar ratio
Find third proportional to 28,174.50 and 60,861
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.