Home / 80,490-122,073

Finding the Third Proportional to 80,490 and 122,073

Calculator

Solution

The third proportional to 80,490 and 122,073 is: 185,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,490 : 122,073 = 122,073 : x
  2. Step 2: Convert to fraction form
    80,490/122,073 = 122,073/x
  3. Step 3: Cross multiply
    80,490x = 122,073 × 122,073
  4. Step 4: Simplify right side
    80,490x = 14,901,817,329
  5. Step 5: Solve for x
    x = 14,901,817,329/80,490
  6. Step 6: Final answer
    x = 185,138.74

Related Problems

Find third proportional to 40,245 and 61,036.50
Half scale
Find third proportional to 160,980 and 244,146
Double scale
Find third proportional to 80,492 and 122,076
Similar ratio
Find third proportional to 120,735 and 183,109.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.