Home / 201,890-313,494

Finding the Third Proportional to 201,890 and 313,494

Calculator

Solution

The third proportional to 201,890 and 313,494 is: 486,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,890 : 313,494 = 313,494 : x
  2. Step 2: Convert to fraction form
    201,890/313,494 = 313,494/x
  3. Step 3: Cross multiply
    201,890x = 313,494 × 313,494
  4. Step 4: Simplify right side
    201,890x = 98,278,488,036
  5. Step 5: Solve for x
    x = 98,278,488,036/201,890
  6. Step 6: Final answer
    x = 486,792.25

Related Problems

Find third proportional to 100,945 and 156,747
Half scale
Find third proportional to 403,780 and 626,988
Double scale
Find third proportional to 201,892 and 313,497
Similar ratio
Find third proportional to 302,835 and 470,241
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.