Home / 154,330-231,905

Finding the Third Proportional to 154,330 and 231,905

Calculator

Solution

The third proportional to 154,330 and 231,905 is: 348,473.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,330 : 231,905 = 231,905 : x
  2. Step 2: Convert to fraction form
    154,330/231,905 = 231,905/x
  3. Step 3: Cross multiply
    154,330x = 231,905 × 231,905
  4. Step 4: Simplify right side
    154,330x = 53,779,929,025
  5. Step 5: Solve for x
    x = 53,779,929,025/154,330
  6. Step 6: Final answer
    x = 348,473.59

Related Problems

Find third proportional to 77,165 and 115,952.50
Half scale
Find third proportional to 308,660 and 463,810
Double scale
Find third proportional to 154,332 and 231,908
Similar ratio
Find third proportional to 231,495 and 347,857.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.