Home / 203,972-286,730

Finding the Third Proportional to 203,972 and 286,730

Calculator

Solution

The third proportional to 203,972 and 286,730 is: 403,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,972 : 286,730 = 286,730 : x
  2. Step 2: Convert to fraction form
    203,972/286,730 = 286,730/x
  3. Step 3: Cross multiply
    203,972x = 286,730 × 286,730
  4. Step 4: Simplify right side
    203,972x = 82,214,092,900
  5. Step 5: Solve for x
    x = 82,214,092,900/203,972
  6. Step 6: Final answer
    x = 403,065.58

Related Problems

Find third proportional to 101,986 and 143,365
Half scale
Find third proportional to 407,944 and 573,460
Double scale
Find third proportional to 203,974 and 286,733
Similar ratio
Find third proportional to 305,958 and 430,095
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.