Home / 303,540-445,468

Finding the Third Proportional to 303,540 and 445,468

Calculator

Solution

The third proportional to 303,540 and 445,468 is: 653,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,540 : 445,468 = 445,468 : x
  2. Step 2: Convert to fraction form
    303,540/445,468 = 445,468/x
  3. Step 3: Cross multiply
    303,540x = 445,468 × 445,468
  4. Step 4: Simplify right side
    303,540x = 198,441,739,024
  5. Step 5: Solve for x
    x = 198,441,739,024/303,540
  6. Step 6: Final answer
    x = 653,758.12

Related Problems

Find third proportional to 151,770 and 222,734
Half scale
Find third proportional to 607,080 and 890,936
Double scale
Find third proportional to 303,542 and 445,471
Similar ratio
Find third proportional to 455,310 and 668,202
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.