Home / 123,021-161,537

Finding the Third Proportional to 123,021 and 161,537

Calculator

Solution

The third proportional to 123,021 and 161,537 is: 212,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,021 : 161,537 = 161,537 : x
  2. Step 2: Convert to fraction form
    123,021/161,537 = 161,537/x
  3. Step 3: Cross multiply
    123,021x = 161,537 × 161,537
  4. Step 4: Simplify right side
    123,021x = 26,094,202,369
  5. Step 5: Solve for x
    x = 26,094,202,369/123,021
  6. Step 6: Final answer
    x = 212,111.77

Related Problems

Find third proportional to 61,510.50 and 80,768.50
Half scale
Find third proportional to 246,042 and 323,074
Double scale
Find third proportional to 123,023 and 161,540
Similar ratio
Find third proportional to 184,531.50 and 242,305.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.