Home / 79,728-169,176

Finding the Third Proportional to 79,728 and 169,176

Calculator

Solution

The third proportional to 79,728 and 169,176 is: 358,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,728 : 169,176 = 169,176 : x
  2. Step 2: Convert to fraction form
    79,728/169,176 = 169,176/x
  3. Step 3: Cross multiply
    79,728x = 169,176 × 169,176
  4. Step 4: Simplify right side
    79,728x = 28,620,518,976
  5. Step 5: Solve for x
    x = 28,620,518,976/79,728
  6. Step 6: Final answer
    x = 358,977.01

Related Problems

Find third proportional to 39,864 and 84,588
Half scale
Find third proportional to 159,456 and 338,352
Double scale
Find third proportional to 79,730 and 169,180
Similar ratio
Find third proportional to 119,592 and 253,764
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.