Home / 283,740-617,880

Finding the Third Proportional to 283,740 and 617,880

Calculator

Solution

The third proportional to 283,740 and 617,880 is: 1,345,512.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,740 : 617,880 = 617,880 : x
  2. Step 2: Convert to fraction form
    283,740/617,880 = 617,880/x
  3. Step 3: Cross multiply
    283,740x = 617,880 × 617,880
  4. Step 4: Simplify right side
    283,740x = 381,775,694,400
  5. Step 5: Solve for x
    x = 381,775,694,400/283,740
  6. Step 6: Final answer
    x = 1,345,512.42

Related Problems

Find third proportional to 141,870 and 308,940
Half scale
Find third proportional to 567,480 and 1,235,760
Double scale
Find third proportional to 283,742 and 617,884
Similar ratio
Find third proportional to 425,610 and 926,820
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.