Home / 64,342-141,772

Finding the Third Proportional to 64,342 and 141,772

Calculator

Solution

The third proportional to 64,342 and 141,772 is: 312,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,342 : 141,772 = 141,772 : x
  2. Step 2: Convert to fraction form
    64,342/141,772 = 141,772/x
  3. Step 3: Cross multiply
    64,342x = 141,772 × 141,772
  4. Step 4: Simplify right side
    64,342x = 20,099,299,984
  5. Step 5: Solve for x
    x = 20,099,299,984/64,342
  6. Step 6: Final answer
    x = 312,382.27

Related Problems

Find third proportional to 32,171 and 70,886
Half scale
Find third proportional to 128,684 and 283,544
Double scale
Find third proportional to 64,344 and 141,776
Similar ratio
Find third proportional to 96,513 and 212,658
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.