Home / 187,247-400,738

Finding the Third Proportional to 187,247 and 400,738

Calculator

Solution

The third proportional to 187,247 and 400,738 is: 857,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,247 : 400,738 = 400,738 : x
  2. Step 2: Convert to fraction form
    187,247/400,738 = 400,738/x
  3. Step 3: Cross multiply
    187,247x = 400,738 × 400,738
  4. Step 4: Simplify right side
    187,247x = 160,590,944,644
  5. Step 5: Solve for x
    x = 160,590,944,644/187,247
  6. Step 6: Final answer
    x = 857,642.28

Related Problems

Find third proportional to 93,623.50 and 200,369
Half scale
Find third proportional to 374,494 and 801,476
Double scale
Find third proportional to 187,249 and 400,742
Similar ratio
Find third proportional to 280,870.50 and 601,107
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.