Home / 79,136-168,320

Finding the Third Proportional to 79,136 and 168,320

Calculator

Solution

The third proportional to 79,136 and 168,320 is: 358,011.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,136 : 168,320 = 168,320 : x
  2. Step 2: Convert to fraction form
    79,136/168,320 = 168,320/x
  3. Step 3: Cross multiply
    79,136x = 168,320 × 168,320
  4. Step 4: Simplify right side
    79,136x = 28,331,622,400
  5. Step 5: Solve for x
    x = 28,331,622,400/79,136
  6. Step 6: Final answer
    x = 358,011.81

Related Problems

Find third proportional to 39,568 and 84,160
Half scale
Find third proportional to 158,272 and 336,640
Double scale
Find third proportional to 79,138 and 168,324
Similar ratio
Find third proportional to 118,704 and 252,480
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.