Home / 121,282-180,737

Finding the Third Proportional to 121,282 and 180,737

Calculator

Solution

The third proportional to 121,282 and 180,737 is: 269,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,282 : 180,737 = 180,737 : x
  2. Step 2: Convert to fraction form
    121,282/180,737 = 180,737/x
  3. Step 3: Cross multiply
    121,282x = 180,737 × 180,737
  4. Step 4: Simplify right side
    121,282x = 32,665,863,169
  5. Step 5: Solve for x
    x = 32,665,863,169/121,282
  6. Step 6: Final answer
    x = 269,338.10

Related Problems

Find third proportional to 60,641 and 90,368.50
Half scale
Find third proportional to 242,564 and 361,474
Double scale
Find third proportional to 121,284 and 180,740
Similar ratio
Find third proportional to 181,923 and 271,105.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.