Home / 146,726-312,830

Finding the Third Proportional to 146,726 and 312,830

Calculator

Solution

The third proportional to 146,726 and 312,830 is: 666,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,726 : 312,830 = 312,830 : x
  2. Step 2: Convert to fraction form
    146,726/312,830 = 312,830/x
  3. Step 3: Cross multiply
    146,726x = 312,830 × 312,830
  4. Step 4: Simplify right side
    146,726x = 97,862,608,900
  5. Step 5: Solve for x
    x = 97,862,608,900/146,726
  6. Step 6: Final answer
    x = 666,975.24

Related Problems

Find third proportional to 73,363 and 156,415
Half scale
Find third proportional to 293,452 and 625,660
Double scale
Find third proportional to 146,728 and 312,834
Similar ratio
Find third proportional to 220,089 and 469,245
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.