Home / 288,792-430,794

Finding the Third Proportional to 288,792 and 430,794

Calculator

Solution

The third proportional to 288,792 and 430,794 is: 642,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,792 : 430,794 = 430,794 : x
  2. Step 2: Convert to fraction form
    288,792/430,794 = 430,794/x
  3. Step 3: Cross multiply
    288,792x = 430,794 × 430,794
  4. Step 4: Simplify right side
    288,792x = 185,583,470,436
  5. Step 5: Solve for x
    x = 185,583,470,436/288,792
  6. Step 6: Final answer
    x = 642,619.85

Related Problems

Find third proportional to 144,396 and 215,397
Half scale
Find third proportional to 577,584 and 861,588
Double scale
Find third proportional to 288,794 and 430,797
Similar ratio
Find third proportional to 433,188 and 646,191
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.