Home / 307,040-667,336

Finding the Third Proportional to 307,040 and 667,336

Calculator

Solution

The third proportional to 307,040 and 667,336 is: 1,450,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,040 : 667,336 = 667,336 : x
  2. Step 2: Convert to fraction form
    307,040/667,336 = 667,336/x
  3. Step 3: Cross multiply
    307,040x = 667,336 × 667,336
  4. Step 4: Simplify right side
    307,040x = 445,337,336,896
  5. Step 5: Solve for x
    x = 445,337,336,896/307,040
  6. Step 6: Final answer
    x = 1,450,421.24

Related Problems

Find third proportional to 153,520 and 333,668
Half scale
Find third proportional to 614,080 and 1,334,672
Double scale
Find third proportional to 307,042 and 667,340
Similar ratio
Find third proportional to 460,560 and 1,001,004
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.