Home / 293,880-641,040

Finding the Third Proportional to 293,880 and 641,040

Calculator

Solution

The third proportional to 293,880 and 641,040 is: 1,398,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,880 : 641,040 = 641,040 : x
  2. Step 2: Convert to fraction form
    293,880/641,040 = 641,040/x
  3. Step 3: Cross multiply
    293,880x = 641,040 × 641,040
  4. Step 4: Simplify right side
    293,880x = 410,932,281,600
  5. Step 5: Solve for x
    x = 410,932,281,600/293,880
  6. Step 6: Final answer
    x = 1,398,299.58

Related Problems

Find third proportional to 146,940 and 320,520
Half scale
Find third proportional to 587,760 and 1,282,080
Double scale
Find third proportional to 293,882 and 641,044
Similar ratio
Find third proportional to 440,820 and 961,560
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.