Home / 287,771-426,075

Finding the Third Proportional to 287,771 and 426,075

Calculator

Solution

The third proportional to 287,771 and 426,075 is: 630,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,771 : 426,075 = 426,075 : x
  2. Step 2: Convert to fraction form
    287,771/426,075 = 426,075/x
  3. Step 3: Cross multiply
    287,771x = 426,075 × 426,075
  4. Step 4: Simplify right side
    287,771x = 181,539,905,625
  5. Step 5: Solve for x
    x = 181,539,905,625/287,771
  6. Step 6: Final answer
    x = 630,848.51

Related Problems

Find third proportional to 143,885.50 and 213,037.50
Half scale
Find third proportional to 575,542 and 852,150
Double scale
Find third proportional to 287,773 and 426,078
Similar ratio
Find third proportional to 431,656.50 and 639,112.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.