Home / 208,473-406,578

Finding the Third Proportional to 208,473 and 406,578

Calculator

Solution

The third proportional to 208,473 and 406,578 is: 792,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,473 : 406,578 = 406,578 : x
  2. Step 2: Convert to fraction form
    208,473/406,578 = 406,578/x
  3. Step 3: Cross multiply
    208,473x = 406,578 × 406,578
  4. Step 4: Simplify right side
    208,473x = 165,305,670,084
  5. Step 5: Solve for x
    x = 165,305,670,084/208,473
  6. Step 6: Final answer
    x = 792,935.63

Related Problems

Find third proportional to 104,236.50 and 203,289
Half scale
Find third proportional to 416,946 and 813,156
Double scale
Find third proportional to 208,475 and 406,582
Similar ratio
Find third proportional to 312,709.50 and 609,867
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.