Home / 282,286-438,981

Finding the Third Proportional to 282,286 and 438,981

Calculator

Solution

The third proportional to 282,286 and 438,981 is: 682,656.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,286 : 438,981 = 438,981 : x
  2. Step 2: Convert to fraction form
    282,286/438,981 = 438,981/x
  3. Step 3: Cross multiply
    282,286x = 438,981 × 438,981
  4. Step 4: Simplify right side
    282,286x = 192,704,318,361
  5. Step 5: Solve for x
    x = 192,704,318,361/282,286
  6. Step 6: Final answer
    x = 682,656.31

Related Problems

Find third proportional to 141,143 and 219,490.50
Half scale
Find third proportional to 564,572 and 877,962
Double scale
Find third proportional to 282,288 and 438,984
Similar ratio
Find third proportional to 423,429 and 658,471.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.