Home / 161,603-343,636

Finding the Third Proportional to 161,603 and 343,636

Calculator

Solution

The third proportional to 161,603 and 343,636 is: 730,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,603 : 343,636 = 343,636 : x
  2. Step 2: Convert to fraction form
    161,603/343,636 = 343,636/x
  3. Step 3: Cross multiply
    161,603x = 343,636 × 343,636
  4. Step 4: Simplify right side
    161,603x = 118,085,700,496
  5. Step 5: Solve for x
    x = 118,085,700,496/161,603
  6. Step 6: Final answer
    x = 730,714.78

Related Problems

Find third proportional to 80,801.50 and 171,818
Half scale
Find third proportional to 323,206 and 687,272
Double scale
Find third proportional to 161,605 and 343,640
Similar ratio
Find third proportional to 242,404.50 and 515,454
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.