Home / 81,704-170,892

Finding the Third Proportional to 81,704 and 170,892

Calculator

Solution

The third proportional to 81,704 and 170,892 is: 357,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,704 : 170,892 = 170,892 : x
  2. Step 2: Convert to fraction form
    81,704/170,892 = 170,892/x
  3. Step 3: Cross multiply
    81,704x = 170,892 × 170,892
  4. Step 4: Simplify right side
    81,704x = 29,204,075,664
  5. Step 5: Solve for x
    x = 29,204,075,664/81,704
  6. Step 6: Final answer
    x = 357,437.53

Related Problems

Find third proportional to 40,852 and 85,446
Half scale
Find third proportional to 163,408 and 341,784
Double scale
Find third proportional to 81,706 and 170,896
Similar ratio
Find third proportional to 122,556 and 256,338
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.