Home / 5,130-7,661.25

Finding the Third Proportional to 5,130 and 7,661.25

Calculator

Solution

The third proportional to 5,130 and 7,661.25 is: 11,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130 : 7,661.25 = 7,661.25 : x
  2. Step 2: Convert to fraction form
    5,130/7,661.25 = 7,661.25/x
  3. Step 3: Cross multiply
    5,130x = 7,661.25 × 7,661.25
  4. Step 4: Simplify right side
    5,130x = 58,694,751.56
  5. Step 5: Solve for x
    x = 58,694,751.56/5,130
  6. Step 6: Final answer
    x = 11,441.47

Related Problems

Find third proportional to 2,565 and 3,830.63
Half scale
Find third proportional to 10,260 and 15,322.50
Double scale
Find third proportional to 5,132 and 7,664
Similar ratio
Find third proportional to 7,695 and 11,491.88
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.