Home / 353,727-728,190

Finding the Third Proportional to 353,727 and 728,190

Calculator

Solution

The third proportional to 353,727 and 728,190 is: 1,499,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,727 : 728,190 = 728,190 : x
  2. Step 2: Convert to fraction form
    353,727/728,190 = 728,190/x
  3. Step 3: Cross multiply
    353,727x = 728,190 × 728,190
  4. Step 4: Simplify right side
    353,727x = 530,260,676,100
  5. Step 5: Solve for x
    x = 530,260,676,100/353,727
  6. Step 6: Final answer
    x = 1,499,067.57

Related Problems

Find third proportional to 176,863.50 and 364,095
Half scale
Find third proportional to 707,454 and 1,456,380
Double scale
Find third proportional to 353,729 and 728,194
Similar ratio
Find third proportional to 530,590.50 and 1,092,285
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.