Home / 68,402-103,512

Finding the Third Proportional to 68,402 and 103,512

Calculator

Solution

The third proportional to 68,402 and 103,512 is: 156,643.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,402 : 103,512 = 103,512 : x
  2. Step 2: Convert to fraction form
    68,402/103,512 = 103,512/x
  3. Step 3: Cross multiply
    68,402x = 103,512 × 103,512
  4. Step 4: Simplify right side
    68,402x = 10,714,734,144
  5. Step 5: Solve for x
    x = 10,714,734,144/68,402
  6. Step 6: Final answer
    x = 156,643.58

Related Problems

Find third proportional to 34,201 and 51,756
Half scale
Find third proportional to 136,804 and 207,024
Double scale
Find third proportional to 68,404 and 103,515
Similar ratio
Find third proportional to 102,603 and 155,268
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.