Home / 280,155-614,706

Finding the Third Proportional to 280,155 and 614,706

Calculator

Solution

The third proportional to 280,155 and 614,706 is: 1,348,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,155 : 614,706 = 614,706 : x
  2. Step 2: Convert to fraction form
    280,155/614,706 = 614,706/x
  3. Step 3: Cross multiply
    280,155x = 614,706 × 614,706
  4. Step 4: Simplify right side
    280,155x = 377,863,466,436
  5. Step 5: Solve for x
    x = 377,863,466,436/280,155
  6. Step 6: Final answer
    x = 1,348,765.74

Related Problems

Find third proportional to 140,077.50 and 307,353
Half scale
Find third proportional to 560,310 and 1,229,412
Double scale
Find third proportional to 280,157 and 614,710
Similar ratio
Find third proportional to 420,232.50 and 922,059
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.