Home / 380,431-899,677

Finding the Third Proportional to 380,431 and 899,677

Calculator

Solution

The third proportional to 380,431 and 899,677 is: 2,127,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,431 : 899,677 = 899,677 : x
  2. Step 2: Convert to fraction form
    380,431/899,677 = 899,677/x
  3. Step 3: Cross multiply
    380,431x = 899,677 × 899,677
  4. Step 4: Simplify right side
    380,431x = 809,418,704,329
  5. Step 5: Solve for x
    x = 809,418,704,329/380,431
  6. Step 6: Final answer
    x = 2,127,636.03

Related Problems

Find third proportional to 190,215.50 and 449,838.50
Half scale
Find third proportional to 760,862 and 1,799,354
Double scale
Find third proportional to 380,433 and 899,682
Similar ratio
Find third proportional to 570,646.50 and 1,349,515.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.