Home / 307,804-672,488

Finding the Third Proportional to 307,804 and 672,488

Calculator

Solution

The third proportional to 307,804 and 672,488 is: 1,469,247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,804 : 672,488 = 672,488 : x
  2. Step 2: Convert to fraction form
    307,804/672,488 = 672,488/x
  3. Step 3: Cross multiply
    307,804x = 672,488 × 672,488
  4. Step 4: Simplify right side
    307,804x = 452,240,110,144
  5. Step 5: Solve for x
    x = 452,240,110,144/307,804
  6. Step 6: Final answer
    x = 1,469,247.02

Related Problems

Find third proportional to 153,902 and 336,244
Half scale
Find third proportional to 615,608 and 1,344,976
Double scale
Find third proportional to 307,806 and 672,492
Similar ratio
Find third proportional to 461,706 and 1,008,732
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.