Home / 308,046-451,395

Finding the Third Proportional to 308,046 and 451,395

Calculator

Solution

The third proportional to 308,046 and 451,395 is: 661,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,046 : 451,395 = 451,395 : x
  2. Step 2: Convert to fraction form
    308,046/451,395 = 451,395/x
  3. Step 3: Cross multiply
    308,046x = 451,395 × 451,395
  4. Step 4: Simplify right side
    308,046x = 203,757,446,025
  5. Step 5: Solve for x
    x = 203,757,446,025/308,046
  6. Step 6: Final answer
    x = 661,451.36

Related Problems

Find third proportional to 154,023 and 225,697.50
Half scale
Find third proportional to 616,092 and 902,790
Double scale
Find third proportional to 308,048 and 451,398
Similar ratio
Find third proportional to 462,069 and 677,092.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.