Home / 187,407-396,549

Finding the Third Proportional to 187,407 and 396,549

Calculator

Solution

The third proportional to 187,407 and 396,549 is: 839,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,407 : 396,549 = 396,549 : x
  2. Step 2: Convert to fraction form
    187,407/396,549 = 396,549/x
  3. Step 3: Cross multiply
    187,407x = 396,549 × 396,549
  4. Step 4: Simplify right side
    187,407x = 157,251,109,401
  5. Step 5: Solve for x
    x = 157,251,109,401/187,407
  6. Step 6: Final answer
    x = 839,088.77

Related Problems

Find third proportional to 93,703.50 and 198,274.50
Half scale
Find third proportional to 374,814 and 793,098
Double scale
Find third proportional to 187,409 and 396,553
Similar ratio
Find third proportional to 281,110.50 and 594,823.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.