Home / 428,948-931,624

Finding the Third Proportional to 428,948 and 931,624

Calculator

Solution

The third proportional to 428,948 and 931,624 is: 2,023,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,948 : 931,624 = 931,624 : x
  2. Step 2: Convert to fraction form
    428,948/931,624 = 931,624/x
  3. Step 3: Cross multiply
    428,948x = 931,624 × 931,624
  4. Step 4: Simplify right side
    428,948x = 867,923,277,376
  5. Step 5: Solve for x
    x = 867,923,277,376/428,948
  6. Step 6: Final answer
    x = 2,023,376.44

Related Problems

Find third proportional to 214,474 and 465,812
Half scale
Find third proportional to 857,896 and 1,863,248
Double scale
Find third proportional to 428,950 and 931,628
Similar ratio
Find third proportional to 643,422 and 1,397,436
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.