Home / 57,432-121,682

Finding the Third Proportional to 57,432 and 121,682

Calculator

Solution

The third proportional to 57,432 and 121,682 is: 257,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,432 : 121,682 = 121,682 : x
  2. Step 2: Convert to fraction form
    57,432/121,682 = 121,682/x
  3. Step 3: Cross multiply
    57,432x = 121,682 × 121,682
  4. Step 4: Simplify right side
    57,432x = 14,806,509,124
  5. Step 5: Solve for x
    x = 14,806,509,124/57,432
  6. Step 6: Final answer
    x = 257,809.39

Related Problems

Find third proportional to 28,716 and 60,841
Half scale
Find third proportional to 114,864 and 243,364
Double scale
Find third proportional to 57,434 and 121,686
Similar ratio
Find third proportional to 86,148 and 182,523
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.