Home / 71,431-154,138

Finding the Third Proportional to 71,431 and 154,138

Calculator

Solution

The third proportional to 71,431 and 154,138 is: 332,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,431 : 154,138 = 154,138 : x
  2. Step 2: Convert to fraction form
    71,431/154,138 = 154,138/x
  3. Step 3: Cross multiply
    71,431x = 154,138 × 154,138
  4. Step 4: Simplify right side
    71,431x = 23,758,523,044
  5. Step 5: Solve for x
    x = 23,758,523,044/71,431
  6. Step 6: Final answer
    x = 332,608.01

Related Problems

Find third proportional to 35,715.50 and 77,069
Half scale
Find third proportional to 142,862 and 308,276
Double scale
Find third proportional to 71,433 and 154,142
Similar ratio
Find third proportional to 107,146.50 and 231,207
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.