Home / 76,928-161,620

Finding the Third Proportional to 76,928 and 161,620

Calculator

Solution

The third proportional to 76,928 and 161,620 is: 339,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,928 : 161,620 = 161,620 : x
  2. Step 2: Convert to fraction form
    76,928/161,620 = 161,620/x
  3. Step 3: Cross multiply
    76,928x = 161,620 × 161,620
  4. Step 4: Simplify right side
    76,928x = 26,121,024,400
  5. Step 5: Solve for x
    x = 26,121,024,400/76,928
  6. Step 6: Final answer
    x = 339,551.59

Related Problems

Find third proportional to 38,464 and 80,810
Half scale
Find third proportional to 153,856 and 323,240
Double scale
Find third proportional to 76,930 and 161,624
Similar ratio
Find third proportional to 115,392 and 242,430
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.