Home / 109,548-121,068

Finding the Third Proportional to 109,548 and 121,068

Calculator

Solution

The third proportional to 109,548 and 121,068 is: 133,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,548 : 121,068 = 121,068 : x
  2. Step 2: Convert to fraction form
    109,548/121,068 = 121,068/x
  3. Step 3: Cross multiply
    109,548x = 121,068 × 121,068
  4. Step 4: Simplify right side
    109,548x = 14,657,460,624
  5. Step 5: Solve for x
    x = 14,657,460,624/109,548
  6. Step 6: Final answer
    x = 133,799.44

Related Problems

Find third proportional to 54,774 and 60,534
Half scale
Find third proportional to 219,096 and 242,136
Double scale
Find third proportional to 109,550 and 121,070
Similar ratio
Find third proportional to 164,322 and 181,602
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.