Home / 202,312-442,721

Finding the Third Proportional to 202,312 and 442,721

Calculator

Solution

The third proportional to 202,312 and 442,721 is: 968,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,312 : 442,721 = 442,721 : x
  2. Step 2: Convert to fraction form
    202,312/442,721 = 442,721/x
  3. Step 3: Cross multiply
    202,312x = 442,721 × 442,721
  4. Step 4: Simplify right side
    202,312x = 196,001,883,841
  5. Step 5: Solve for x
    x = 196,001,883,841/202,312
  6. Step 6: Final answer
    x = 968,809.98

Related Problems

Find third proportional to 101,156 and 221,360.50
Half scale
Find third proportional to 404,624 and 885,442
Double scale
Find third proportional to 202,314 and 442,725
Similar ratio
Find third proportional to 303,468 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.