Home / 76,640-115,062

Finding the Third Proportional to 76,640 and 115,062

Calculator

Solution

The third proportional to 76,640 and 115,062 is: 172,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,640 : 115,062 = 115,062 : x
  2. Step 2: Convert to fraction form
    76,640/115,062 = 115,062/x
  3. Step 3: Cross multiply
    76,640x = 115,062 × 115,062
  4. Step 4: Simplify right side
    76,640x = 13,239,263,844
  5. Step 5: Solve for x
    x = 13,239,263,844/76,640
  6. Step 6: Final answer
    x = 172,746.14

Related Problems

Find third proportional to 38,320 and 57,531
Half scale
Find third proportional to 153,280 and 230,124
Double scale
Find third proportional to 76,642 and 115,065
Similar ratio
Find third proportional to 114,960 and 172,593
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.