Home / 217,811-467,138

Finding the Third Proportional to 217,811 and 467,138

Calculator

Solution

The third proportional to 217,811 and 467,138 is: 1,001,868.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,811 : 467,138 = 467,138 : x
  2. Step 2: Convert to fraction form
    217,811/467,138 = 467,138/x
  3. Step 3: Cross multiply
    217,811x = 467,138 × 467,138
  4. Step 4: Simplify right side
    217,811x = 218,217,911,044
  5. Step 5: Solve for x
    x = 218,217,911,044/217,811
  6. Step 6: Final answer
    x = 1,001,868.18

Related Problems

Find third proportional to 108,905.50 and 233,569
Half scale
Find third proportional to 435,622 and 934,276
Double scale
Find third proportional to 217,813 and 467,142
Similar ratio
Find third proportional to 326,716.50 and 700,707
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.