Home / 141,840-212,910

Finding the Third Proportional to 141,840 and 212,910

Calculator

Solution

The third proportional to 141,840 and 212,910 is: 319,590.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,840 : 212,910 = 212,910 : x
  2. Step 2: Convert to fraction form
    141,840/212,910 = 212,910/x
  3. Step 3: Cross multiply
    141,840x = 212,910 × 212,910
  4. Step 4: Simplify right side
    141,840x = 45,330,668,100
  5. Step 5: Solve for x
    x = 45,330,668,100/141,840
  6. Step 6: Final answer
    x = 319,590.16

Related Problems

Find third proportional to 70,920 and 106,455
Half scale
Find third proportional to 283,680 and 425,820
Double scale
Find third proportional to 141,842 and 212,913
Similar ratio
Find third proportional to 212,760 and 319,365
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.