Home / 339,408-712,944

Finding the Third Proportional to 339,408 and 712,944

Calculator

Solution

The third proportional to 339,408 and 712,944 is: 1,497,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,408 : 712,944 = 712,944 : x
  2. Step 2: Convert to fraction form
    339,408/712,944 = 712,944/x
  3. Step 3: Cross multiply
    339,408x = 712,944 × 712,944
  4. Step 4: Simplify right side
    339,408x = 508,289,147,136
  5. Step 5: Solve for x
    x = 508,289,147,136/339,408
  6. Step 6: Final answer
    x = 1,497,575.62

Related Problems

Find third proportional to 169,704 and 356,472
Half scale
Find third proportional to 678,816 and 1,425,888
Double scale
Find third proportional to 339,410 and 712,948
Similar ratio
Find third proportional to 509,112 and 1,069,416
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.