Home / 328,671-507,519

Finding the Third Proportional to 328,671 and 507,519

Calculator

Solution

The third proportional to 328,671 and 507,519 is: 783,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,671 : 507,519 = 507,519 : x
  2. Step 2: Convert to fraction form
    328,671/507,519 = 507,519/x
  3. Step 3: Cross multiply
    328,671x = 507,519 × 507,519
  4. Step 4: Simplify right side
    328,671x = 257,575,535,361
  5. Step 5: Solve for x
    x = 257,575,535,361/328,671
  6. Step 6: Final answer
    x = 783,688.05

Related Problems

Find third proportional to 164,335.50 and 253,759.50
Half scale
Find third proportional to 657,342 and 1,015,038
Double scale
Find third proportional to 328,673 and 507,522
Similar ratio
Find third proportional to 493,006.50 and 761,278.50
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.