Home / 338,502-743,424

Finding the Third Proportional to 338,502 and 743,424

Calculator

Solution

The third proportional to 338,502 and 743,424 is: 1,632,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,502 : 743,424 = 743,424 : x
  2. Step 2: Convert to fraction form
    338,502/743,424 = 743,424/x
  3. Step 3: Cross multiply
    338,502x = 743,424 × 743,424
  4. Step 4: Simplify right side
    338,502x = 552,679,243,776
  5. Step 5: Solve for x
    x = 552,679,243,776/338,502
  6. Step 6: Final answer
    x = 1,632,720.76

Related Problems

Find third proportional to 169,251 and 371,712
Half scale
Find third proportional to 677,004 and 1,486,848
Double scale
Find third proportional to 338,504 and 743,428
Similar ratio
Find third proportional to 507,753 and 1,115,136
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.