Home / 15,291-28,305

Finding the Third Proportional to 15,291 and 28,305

Calculator

Solution

The third proportional to 15,291 and 28,305 is: 52,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,291 : 28,305 = 28,305 : x
  2. Step 2: Convert to fraction form
    15,291/28,305 = 28,305/x
  3. Step 3: Cross multiply
    15,291x = 28,305 × 28,305
  4. Step 4: Simplify right side
    15,291x = 801,173,025
  5. Step 5: Solve for x
    x = 801,173,025/15,291
  6. Step 6: Final answer
    x = 52,395.07

Related Problems

Find third proportional to 7,645.50 and 14,152.50
Half scale
Find third proportional to 30,582 and 56,610
Double scale
Find third proportional to 15,293 and 28,309
Similar ratio
Find third proportional to 22,936.50 and 42,457.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.