Home / 7,702-12,281

Finding the Third Proportional to 7,702 and 12,281

Calculator

Solution

The third proportional to 7,702 and 12,281 is: 19,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702 : 12,281 = 12,281 : x
  2. Step 2: Convert to fraction form
    7,702/12,281 = 12,281/x
  3. Step 3: Cross multiply
    7,702x = 12,281 × 12,281
  4. Step 4: Simplify right side
    7,702x = 150,822,961
  5. Step 5: Solve for x
    x = 150,822,961/7,702
  6. Step 6: Final answer
    x = 19,582.31

Related Problems

Find third proportional to 3,851 and 6,140.50
Half scale
Find third proportional to 15,404 and 24,562
Double scale
Find third proportional to 7,704 and 12,284
Similar ratio
Find third proportional to 11,553 and 18,421.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.