Home / 15,669-34,218

Finding the Third Proportional to 15,669 and 34,218

Calculator

Solution

The third proportional to 15,669 and 34,218 is: 74,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669 : 34,218 = 34,218 : x
  2. Step 2: Convert to fraction form
    15,669/34,218 = 34,218/x
  3. Step 3: Cross multiply
    15,669x = 34,218 × 34,218
  4. Step 4: Simplify right side
    15,669x = 1,170,871,524
  5. Step 5: Solve for x
    x = 1,170,871,524/15,669
  6. Step 6: Final answer
    x = 74,725.35

Related Problems

Find third proportional to 7,834.50 and 17,109
Half scale
Find third proportional to 31,338 and 68,436
Double scale
Find third proportional to 15,671 and 34,222
Similar ratio
Find third proportional to 23,503.50 and 51,327
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.