Home / 84,640-161,600

Finding the Third Proportional to 84,640 and 161,600

Calculator

Solution

The third proportional to 84,640 and 161,600 is: 308,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,640 : 161,600 = 161,600 : x
  2. Step 2: Convert to fraction form
    84,640/161,600 = 161,600/x
  3. Step 3: Cross multiply
    84,640x = 161,600 × 161,600
  4. Step 4: Simplify right side
    84,640x = 26,114,560,000
  5. Step 5: Solve for x
    x = 26,114,560,000/84,640
  6. Step 6: Final answer
    x = 308,536.86

Related Problems

Find third proportional to 42,320 and 80,800
Half scale
Find third proportional to 169,280 and 323,200
Double scale
Find third proportional to 84,642 and 161,604
Similar ratio
Find third proportional to 126,960 and 242,400
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.