Home / 387,346-528,075

Finding the Third Proportional to 387,346 and 528,075

Calculator

Solution

The third proportional to 387,346 and 528,075 is: 719,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,346 : 528,075 = 528,075 : x
  2. Step 2: Convert to fraction form
    387,346/528,075 = 528,075/x
  3. Step 3: Cross multiply
    387,346x = 528,075 × 528,075
  4. Step 4: Simplify right side
    387,346x = 278,863,205,625
  5. Step 5: Solve for x
    x = 278,863,205,625/387,346
  6. Step 6: Final answer
    x = 719,933.10

Related Problems

Find third proportional to 193,673 and 264,037.50
Half scale
Find third proportional to 774,692 and 1,056,150
Double scale
Find third proportional to 387,348 and 528,078
Similar ratio
Find third proportional to 581,019 and 792,112.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.