Home / 455,302-668,187

Finding the Third Proportional to 455,302 and 668,187

Calculator

Solution

The third proportional to 455,302 and 668,187 is: 980,610.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,302 : 668,187 = 668,187 : x
  2. Step 2: Convert to fraction form
    455,302/668,187 = 668,187/x
  3. Step 3: Cross multiply
    455,302x = 668,187 × 668,187
  4. Step 4: Simplify right side
    455,302x = 446,473,866,969
  5. Step 5: Solve for x
    x = 446,473,866,969/455,302
  6. Step 6: Final answer
    x = 980,610.38

Related Problems

Find third proportional to 227,651 and 334,093.50
Half scale
Find third proportional to 910,604 and 1,336,374
Double scale
Find third proportional to 455,304 and 668,190
Similar ratio
Find third proportional to 682,953 and 1,002,280.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.