Home / 109,287-235,800

Finding the Third Proportional to 109,287 and 235,800

Calculator

Solution

The third proportional to 109,287 and 235,800 is: 508,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,287 : 235,800 = 235,800 : x
  2. Step 2: Convert to fraction form
    109,287/235,800 = 235,800/x
  3. Step 3: Cross multiply
    109,287x = 235,800 × 235,800
  4. Step 4: Simplify right side
    109,287x = 55,601,640,000
  5. Step 5: Solve for x
    x = 55,601,640,000/109,287
  6. Step 6: Final answer
    x = 508,767.19

Related Problems

Find third proportional to 54,643.50 and 117,900
Half scale
Find third proportional to 218,574 and 471,600
Double scale
Find third proportional to 109,289 and 235,804
Similar ratio
Find third proportional to 163,930.50 and 353,700
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.