Home / 141,000-307,920

Finding the Third Proportional to 141,000 and 307,920

Calculator

Solution

The third proportional to 141,000 and 307,920 is: 672,444.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,000 : 307,920 = 307,920 : x
  2. Step 2: Convert to fraction form
    141,000/307,920 = 307,920/x
  3. Step 3: Cross multiply
    141,000x = 307,920 × 307,920
  4. Step 4: Simplify right side
    141,000x = 94,814,726,400
  5. Step 5: Solve for x
    x = 94,814,726,400/141,000
  6. Step 6: Final answer
    x = 672,444.87

Related Problems

Find third proportional to 70,500 and 153,960
Half scale
Find third proportional to 282,000 and 615,840
Double scale
Find third proportional to 141,002 and 307,924
Similar ratio
Find third proportional to 211,500 and 461,880
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.