Home / 429,918-911,036

Finding the Third Proportional to 429,918 and 911,036

Calculator

Solution

The third proportional to 429,918 and 911,036 is: 1,930,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,918 : 911,036 = 911,036 : x
  2. Step 2: Convert to fraction form
    429,918/911,036 = 911,036/x
  3. Step 3: Cross multiply
    429,918x = 911,036 × 911,036
  4. Step 4: Simplify right side
    429,918x = 829,986,593,296
  5. Step 5: Solve for x
    x = 829,986,593,296/429,918
  6. Step 6: Final answer
    x = 1,930,569.53

Related Problems

Find third proportional to 214,959 and 455,518
Half scale
Find third proportional to 859,836 and 1,822,072
Double scale
Find third proportional to 429,920 and 911,040
Similar ratio
Find third proportional to 644,877 and 1,366,554
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.