Home / 202,710-285,135.75

Finding the Third Proportional to 202,710 and 285,135.75

Calculator

Solution

The third proportional to 202,710 and 285,135.75 is: 401,077.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,710 : 285,135.75 = 285,135.75 : x
  2. Step 2: Convert to fraction form
    202,710/285,135.75 = 285,135.75/x
  3. Step 3: Cross multiply
    202,710x = 285,135.75 × 285,135.75
  4. Step 4: Simplify right side
    202,710x = 81,302,395,928.06
  5. Step 5: Solve for x
    x = 81,302,395,928.06/202,710
  6. Step 6: Final answer
    x = 401,077.38

Related Problems

Find third proportional to 101,355 and 142,567.88
Half scale
Find third proportional to 405,420 and 570,271.50
Double scale
Find third proportional to 202,712 and 285,139
Similar ratio
Find third proportional to 304,065 and 427,703.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.