Home / 16,782-36,129

Finding the Third Proportional to 16,782 and 36,129

Calculator

Solution

The third proportional to 16,782 and 36,129 is: 77,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782 : 36,129 = 36,129 : x
  2. Step 2: Convert to fraction form
    16,782/36,129 = 36,129/x
  3. Step 3: Cross multiply
    16,782x = 36,129 × 36,129
  4. Step 4: Simplify right side
    16,782x = 1,305,304,641
  5. Step 5: Solve for x
    x = 1,305,304,641/16,782
  6. Step 6: Final answer
    x = 77,780.04

Related Problems

Find third proportional to 8,391 and 18,064.50
Half scale
Find third proportional to 33,564 and 72,258
Double scale
Find third proportional to 16,784 and 36,133
Similar ratio
Find third proportional to 25,173 and 54,193.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.