Home / 201,431-438,823

Finding the Third Proportional to 201,431 and 438,823

Calculator

Solution

The third proportional to 201,431 and 438,823 is: 955,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,431 : 438,823 = 438,823 : x
  2. Step 2: Convert to fraction form
    201,431/438,823 = 438,823/x
  3. Step 3: Cross multiply
    201,431x = 438,823 × 438,823
  4. Step 4: Simplify right side
    201,431x = 192,565,625,329
  5. Step 5: Solve for x
    x = 192,565,625,329/201,431
  6. Step 6: Final answer
    x = 955,988.03

Related Problems

Find third proportional to 100,715.50 and 219,411.50
Half scale
Find third proportional to 402,862 and 877,646
Double scale
Find third proportional to 201,433 and 438,827
Similar ratio
Find third proportional to 302,146.50 and 658,234.50
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.