Home / 20,832-45,120

Finding the Third Proportional to 20,832 and 45,120

Calculator

Solution

The third proportional to 20,832 and 45,120 is: 97,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832 : 45,120 = 45,120 : x
  2. Step 2: Convert to fraction form
    20,832/45,120 = 45,120/x
  3. Step 3: Cross multiply
    20,832x = 45,120 × 45,120
  4. Step 4: Simplify right side
    20,832x = 2,035,814,400
  5. Step 5: Solve for x
    x = 2,035,814,400/20,832
  6. Step 6: Final answer
    x = 97,725.35

Related Problems

Find third proportional to 10,416 and 22,560
Half scale
Find third proportional to 41,664 and 90,240
Double scale
Find third proportional to 20,834 and 45,124
Similar ratio
Find third proportional to 31,248 and 67,680
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.