Home / 655,206-987,427

Finding the Third Proportional to 655,206 and 987,427

Calculator

Solution

The third proportional to 655,206 and 987,427 is: 1,488,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,206 : 987,427 = 987,427 : x
  2. Step 2: Convert to fraction form
    655,206/987,427 = 987,427/x
  3. Step 3: Cross multiply
    655,206x = 987,427 × 987,427
  4. Step 4: Simplify right side
    655,206x = 975,012,080,329
  5. Step 5: Solve for x
    x = 975,012,080,329/655,206
  6. Step 6: Final answer
    x = 1,488,100.05

Related Problems

Find third proportional to 327,603 and 493,713.50
Half scale
Find third proportional to 1,310,412 and 1,974,854
Double scale
Find third proportional to 655,208 and 987,430
Similar ratio
Find third proportional to 982,809 and 1,481,140.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.