Home / 307,623-664,314

Finding the Third Proportional to 307,623 and 664,314

Calculator

Solution

The third proportional to 307,623 and 664,314 is: 1,434,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,623 : 664,314 = 664,314 : x
  2. Step 2: Convert to fraction form
    307,623/664,314 = 664,314/x
  3. Step 3: Cross multiply
    307,623x = 664,314 × 664,314
  4. Step 4: Simplify right side
    307,623x = 441,313,090,596
  5. Step 5: Solve for x
    x = 441,313,090,596/307,623
  6. Step 6: Final answer
    x = 1,434,590.69

Related Problems

Find third proportional to 153,811.50 and 332,157
Half scale
Find third proportional to 615,246 and 1,328,628
Double scale
Find third proportional to 307,625 and 664,318
Similar ratio
Find third proportional to 461,434.50 and 996,471
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.