Home / 15,184-20,430

Finding the Third Proportional to 15,184 and 20,430

Calculator

Solution

The third proportional to 15,184 and 20,430 is: 27,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184 : 20,430 = 20,430 : x
  2. Step 2: Convert to fraction form
    15,184/20,430 = 20,430/x
  3. Step 3: Cross multiply
    15,184x = 20,430 × 20,430
  4. Step 4: Simplify right side
    15,184x = 417,384,900
  5. Step 5: Solve for x
    x = 417,384,900/15,184
  6. Step 6: Final answer
    x = 27,488.47

Related Problems

Find third proportional to 7,592 and 10,215
Half scale
Find third proportional to 30,368 and 40,860
Double scale
Find third proportional to 15,186 and 20,433
Similar ratio
Find third proportional to 22,776 and 30,645
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.