Home / 89,522-121,137

Finding the Third Proportional to 89,522 and 121,137

Calculator

Solution

The third proportional to 89,522 and 121,137 is: 163,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,522 : 121,137 = 121,137 : x
  2. Step 2: Convert to fraction form
    89,522/121,137 = 121,137/x
  3. Step 3: Cross multiply
    89,522x = 121,137 × 121,137
  4. Step 4: Simplify right side
    89,522x = 14,674,172,769
  5. Step 5: Solve for x
    x = 14,674,172,769/89,522
  6. Step 6: Final answer
    x = 163,916.95

Related Problems

Find third proportional to 44,761 and 60,568.50
Half scale
Find third proportional to 179,044 and 242,274
Double scale
Find third proportional to 89,524 and 121,140
Similar ratio
Find third proportional to 134,283 and 181,705.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.