Home / 77,080-168,272

Finding the Third Proportional to 77,080 and 168,272

Calculator

Solution

The third proportional to 77,080 and 168,272 is: 367,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,080 : 168,272 = 168,272 : x
  2. Step 2: Convert to fraction form
    77,080/168,272 = 168,272/x
  3. Step 3: Cross multiply
    77,080x = 168,272 × 168,272
  4. Step 4: Simplify right side
    77,080x = 28,315,465,984
  5. Step 5: Solve for x
    x = 28,315,465,984/77,080
  6. Step 6: Final answer
    x = 367,351.66

Related Problems

Find third proportional to 38,540 and 84,136
Half scale
Find third proportional to 154,160 and 336,544
Double scale
Find third proportional to 77,082 and 168,276
Similar ratio
Find third proportional to 115,620 and 252,408
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.