Home / 142,670-303,772

Finding the Third Proportional to 142,670 and 303,772

Calculator

Solution

The third proportional to 142,670 and 303,772 is: 646,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,670 : 303,772 = 303,772 : x
  2. Step 2: Convert to fraction form
    142,670/303,772 = 303,772/x
  3. Step 3: Cross multiply
    142,670x = 303,772 × 303,772
  4. Step 4: Simplify right side
    142,670x = 92,277,427,984
  5. Step 5: Solve for x
    x = 92,277,427,984/142,670
  6. Step 6: Final answer
    x = 646,789.29

Related Problems

Find third proportional to 71,335 and 151,886
Half scale
Find third proportional to 285,340 and 607,544
Double scale
Find third proportional to 142,672 and 303,776
Similar ratio
Find third proportional to 214,005 and 455,658
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.