Home / 473,717-728,147

Finding the Third Proportional to 473,717 and 728,147

Calculator

Solution

The third proportional to 473,717 and 728,147 is: 1,119,229.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,717 : 728,147 = 728,147 : x
  2. Step 2: Convert to fraction form
    473,717/728,147 = 728,147/x
  3. Step 3: Cross multiply
    473,717x = 728,147 × 728,147
  4. Step 4: Simplify right side
    473,717x = 530,198,053,609
  5. Step 5: Solve for x
    x = 530,198,053,609/473,717
  6. Step 6: Final answer
    x = 1,119,229.53

Related Problems

Find third proportional to 236,858.50 and 364,073.50
Half scale
Find third proportional to 947,434 and 1,456,294
Double scale
Find third proportional to 473,719 and 728,150
Similar ratio
Find third proportional to 710,575.50 and 1,092,220.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.