Home / 70,589-109,344

Finding the Third Proportional to 70,589 and 109,344

Calculator

Solution

The third proportional to 70,589 and 109,344 is: 169,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,589 : 109,344 = 109,344 : x
  2. Step 2: Convert to fraction form
    70,589/109,344 = 109,344/x
  3. Step 3: Cross multiply
    70,589x = 109,344 × 109,344
  4. Step 4: Simplify right side
    70,589x = 11,956,110,336
  5. Step 5: Solve for x
    x = 11,956,110,336/70,589
  6. Step 6: Final answer
    x = 169,376.39

Related Problems

Find third proportional to 35,294.50 and 54,672
Half scale
Find third proportional to 141,178 and 218,688
Double scale
Find third proportional to 70,591 and 109,347
Similar ratio
Find third proportional to 105,883.50 and 164,016
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.