Home / 21,280-46,245

Finding the Third Proportional to 21,280 and 46,245

Calculator

Solution

The third proportional to 21,280 and 46,245 is: 100,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,280 : 46,245 = 46,245 : x
  2. Step 2: Convert to fraction form
    21,280/46,245 = 46,245/x
  3. Step 3: Cross multiply
    21,280x = 46,245 × 46,245
  4. Step 4: Simplify right side
    21,280x = 2,138,600,025
  5. Step 5: Solve for x
    x = 2,138,600,025/21,280
  6. Step 6: Final answer
    x = 100,498.12

Related Problems

Find third proportional to 10,640 and 23,122.50
Half scale
Find third proportional to 42,560 and 92,490
Double scale
Find third proportional to 21,282 and 46,249
Similar ratio
Find third proportional to 31,920 and 69,367.50
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.