Home / 301,370-455,112

Finding the Third Proportional to 301,370 and 455,112

Calculator

Solution

The third proportional to 301,370 and 455,112 is: 687,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,370 : 455,112 = 455,112 : x
  2. Step 2: Convert to fraction form
    301,370/455,112 = 455,112/x
  3. Step 3: Cross multiply
    301,370x = 455,112 × 455,112
  4. Step 4: Simplify right side
    301,370x = 207,126,932,544
  5. Step 5: Solve for x
    x = 207,126,932,544/301,370
  6. Step 6: Final answer
    x = 687,284.51

Related Problems

Find third proportional to 150,685 and 227,556
Half scale
Find third proportional to 602,740 and 910,224
Double scale
Find third proportional to 301,372 and 455,115
Similar ratio
Find third proportional to 452,055 and 682,668
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.