Home / 80,044-128,934

Finding the Third Proportional to 80,044 and 128,934

Calculator

Solution

The third proportional to 80,044 and 128,934 is: 207,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,044 : 128,934 = 128,934 : x
  2. Step 2: Convert to fraction form
    80,044/128,934 = 128,934/x
  3. Step 3: Cross multiply
    80,044x = 128,934 × 128,934
  4. Step 4: Simplify right side
    80,044x = 16,623,976,356
  5. Step 5: Solve for x
    x = 16,623,976,356/80,044
  6. Step 6: Final answer
    x = 207,685.48

Related Problems

Find third proportional to 40,022 and 64,467
Half scale
Find third proportional to 160,088 and 257,868
Double scale
Find third proportional to 80,046 and 128,937
Similar ratio
Find third proportional to 120,066 and 193,401
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.