Home / 68,688-150,512

Finding the Third Proportional to 68,688 and 150,512

Calculator

Solution

The third proportional to 68,688 and 150,512 is: 329,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,688 : 150,512 = 150,512 : x
  2. Step 2: Convert to fraction form
    68,688/150,512 = 150,512/x
  3. Step 3: Cross multiply
    68,688x = 150,512 × 150,512
  4. Step 4: Simplify right side
    68,688x = 22,653,862,144
  5. Step 5: Solve for x
    x = 22,653,862,144/68,688
  6. Step 6: Final answer
    x = 329,808.15

Related Problems

Find third proportional to 34,344 and 75,256
Half scale
Find third proportional to 137,376 and 301,024
Double scale
Find third proportional to 68,690 and 150,516
Similar ratio
Find third proportional to 103,032 and 225,768
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.