Home / 287,787-450,465

Finding the Third Proportional to 287,787 and 450,465

Calculator

Solution

The third proportional to 287,787 and 450,465 is: 705,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,787 : 450,465 = 450,465 : x
  2. Step 2: Convert to fraction form
    287,787/450,465 = 450,465/x
  3. Step 3: Cross multiply
    287,787x = 450,465 × 450,465
  4. Step 4: Simplify right side
    287,787x = 202,918,716,225
  5. Step 5: Solve for x
    x = 202,918,716,225/287,787
  6. Step 6: Final answer
    x = 705,100.36

Related Problems

Find third proportional to 143,893.50 and 225,232.50
Half scale
Find third proportional to 575,574 and 900,930
Double scale
Find third proportional to 287,789 and 450,468
Similar ratio
Find third proportional to 431,680.50 and 675,697.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.