Home / 109,557-169,173

Finding the Third Proportional to 109,557 and 169,173

Calculator

Solution

The third proportional to 109,557 and 169,173 is: 261,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,557 : 169,173 = 169,173 : x
  2. Step 2: Convert to fraction form
    109,557/169,173 = 169,173/x
  3. Step 3: Cross multiply
    109,557x = 169,173 × 169,173
  4. Step 4: Simplify right side
    109,557x = 28,619,503,929
  5. Step 5: Solve for x
    x = 28,619,503,929/109,557
  6. Step 6: Final answer
    x = 261,229.35

Related Problems

Find third proportional to 54,778.50 and 84,586.50
Half scale
Find third proportional to 219,114 and 338,346
Double scale
Find third proportional to 109,559 and 169,176
Similar ratio
Find third proportional to 164,335.50 and 253,759.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.