Home / 4,515-9,090

Finding the Third Proportional to 4,515 and 9,090

Calculator

Solution

The third proportional to 4,515 and 9,090 is: 18,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515 : 9,090 = 9,090 : x
  2. Step 2: Convert to fraction form
    4,515/9,090 = 9,090/x
  3. Step 3: Cross multiply
    4,515x = 9,090 × 9,090
  4. Step 4: Simplify right side
    4,515x = 82,628,100
  5. Step 5: Solve for x
    x = 82,628,100/4,515
  6. Step 6: Final answer
    x = 18,300.80

Related Problems

Find third proportional to 2,257.50 and 4,545
Half scale
Find third proportional to 9,030 and 18,180
Double scale
Find third proportional to 4,517 and 9,094
Similar ratio
Find third proportional to 6,772.50 and 13,635
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.