Home / 69,669-148,329

Finding the Third Proportional to 69,669 and 148,329

Calculator

Solution

The third proportional to 69,669 and 148,329 is: 315,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,669 : 148,329 = 148,329 : x
  2. Step 2: Convert to fraction form
    69,669/148,329 = 148,329/x
  3. Step 3: Cross multiply
    69,669x = 148,329 × 148,329
  4. Step 4: Simplify right side
    69,669x = 22,001,492,241
  5. Step 5: Solve for x
    x = 22,001,492,241/69,669
  6. Step 6: Final answer
    x = 315,800.32

Related Problems

Find third proportional to 34,834.50 and 74,164.50
Half scale
Find third proportional to 139,338 and 296,658
Double scale
Find third proportional to 69,671 and 148,333
Similar ratio
Find third proportional to 104,503.50 and 222,493.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.