Home / 189,680-406,348

Finding the Third Proportional to 189,680 and 406,348

Calculator

Solution

The third proportional to 189,680 and 406,348 is: 870,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,680 : 406,348 = 406,348 : x
  2. Step 2: Convert to fraction form
    189,680/406,348 = 406,348/x
  3. Step 3: Cross multiply
    189,680x = 406,348 × 406,348
  4. Step 4: Simplify right side
    189,680x = 165,118,697,104
  5. Step 5: Solve for x
    x = 165,118,697,104/189,680
  6. Step 6: Final answer
    x = 870,511.90

Related Problems

Find third proportional to 94,840 and 203,174
Half scale
Find third proportional to 379,360 and 812,696
Double scale
Find third proportional to 189,682 and 406,352
Similar ratio
Find third proportional to 284,520 and 609,522
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.