Home / 201,770-442,721

Finding the Third Proportional to 201,770 and 442,721

Calculator

Solution

The third proportional to 201,770 and 442,721 is: 971,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,770 : 442,721 = 442,721 : x
  2. Step 2: Convert to fraction form
    201,770/442,721 = 442,721/x
  3. Step 3: Cross multiply
    201,770x = 442,721 × 442,721
  4. Step 4: Simplify right side
    201,770x = 196,001,883,841
  5. Step 5: Solve for x
    x = 196,001,883,841/201,770
  6. Step 6: Final answer
    x = 971,412.42

Related Problems

Find third proportional to 100,885 and 221,360.50
Half scale
Find third proportional to 403,540 and 885,442
Double scale
Find third proportional to 201,772 and 442,725
Similar ratio
Find third proportional to 302,655 and 664,081.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.