Home / 162,421-251,015

Finding the Third Proportional to 162,421 and 251,015

Calculator

Solution

The third proportional to 162,421 and 251,015 is: 387,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,421 : 251,015 = 251,015 : x
  2. Step 2: Convert to fraction form
    162,421/251,015 = 251,015/x
  3. Step 3: Cross multiply
    162,421x = 251,015 × 251,015
  4. Step 4: Simplify right side
    162,421x = 63,008,530,225
  5. Step 5: Solve for x
    x = 63,008,530,225/162,421
  6. Step 6: Final answer
    x = 387,933.40

Related Problems

Find third proportional to 81,210.50 and 125,507.50
Half scale
Find third proportional to 324,842 and 502,030
Double scale
Find third proportional to 162,423 and 251,018
Similar ratio
Find third proportional to 243,631.50 and 376,522.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.