Home / 301,201-642,434

Finding the Third Proportional to 301,201 and 642,434

Calculator

Solution

The third proportional to 301,201 and 642,434 is: 1,370,252.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,201 : 642,434 = 642,434 : x
  2. Step 2: Convert to fraction form
    301,201/642,434 = 642,434/x
  3. Step 3: Cross multiply
    301,201x = 642,434 × 642,434
  4. Step 4: Simplify right side
    301,201x = 412,721,444,356
  5. Step 5: Solve for x
    x = 412,721,444,356/301,201
  6. Step 6: Final answer
    x = 1,370,252.57

Related Problems

Find third proportional to 150,600.50 and 321,217
Half scale
Find third proportional to 602,402 and 1,284,868
Double scale
Find third proportional to 301,203 and 642,438
Similar ratio
Find third proportional to 451,801.50 and 963,651
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.