Home / 273,428-428,062

Finding the Third Proportional to 273,428 and 428,062

Calculator

Solution

The third proportional to 273,428 and 428,062 is: 670,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,428 : 428,062 = 428,062 : x
  2. Step 2: Convert to fraction form
    273,428/428,062 = 428,062/x
  3. Step 3: Cross multiply
    273,428x = 428,062 × 428,062
  4. Step 4: Simplify right side
    273,428x = 183,237,075,844
  5. Step 5: Solve for x
    x = 183,237,075,844/273,428
  6. Step 6: Final answer
    x = 670,147.45

Related Problems

Find third proportional to 136,714 and 214,031
Half scale
Find third proportional to 546,856 and 856,124
Double scale
Find third proportional to 273,430 and 428,065
Similar ratio
Find third proportional to 410,142 and 642,093
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.