Home / 151,814-243,921

Finding the Third Proportional to 151,814 and 243,921

Calculator

Solution

The third proportional to 151,814 and 243,921 is: 391,910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,814 : 243,921 = 243,921 : x
  2. Step 2: Convert to fraction form
    151,814/243,921 = 243,921/x
  3. Step 3: Cross multiply
    151,814x = 243,921 × 243,921
  4. Step 4: Simplify right side
    151,814x = 59,497,454,241
  5. Step 5: Solve for x
    x = 59,497,454,241/151,814
  6. Step 6: Final answer
    x = 391,910.19

Related Problems

Find third proportional to 75,907 and 121,960.50
Half scale
Find third proportional to 303,628 and 487,842
Double scale
Find third proportional to 151,816 and 243,924
Similar ratio
Find third proportional to 227,721 and 365,881.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.