Home / 721,280-1,539,099

Finding the Third Proportional to 721,280 and 1,539,099

Calculator

Solution

The third proportional to 721,280 and 1,539,099 is: 3,284,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,280 : 1,539,099 = 1,539,099 : x
  2. Step 2: Convert to fraction form
    721,280/1,539,099 = 1,539,099/x
  3. Step 3: Cross multiply
    721,280x = 1,539,099 × 1,539,099
  4. Step 4: Simplify right side
    721,280x = 2,368,825,731,801
  5. Step 5: Solve for x
    x = 2,368,825,731,801/721,280
  6. Step 6: Final answer
    x = 3,284,197.17

Related Problems

Find third proportional to 360,640 and 769,549.50
Half scale
Find third proportional to 1,442,560 and 3,078,198
Double scale
Find third proportional to 721,282 and 1,539,103
Similar ratio
Find third proportional to 1,081,920 and 2,308,648.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.