Home / 5,580-7,285.50

Finding the Third Proportional to 5,580 and 7,285.50

Calculator

Solution

The third proportional to 5,580 and 7,285.50 is: 9,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580 : 7,285.50 = 7,285.50 : x
  2. Step 2: Convert to fraction form
    5,580/7,285.50 = 7,285.50/x
  3. Step 3: Cross multiply
    5,580x = 7,285.50 × 7,285.50
  4. Step 4: Simplify right side
    5,580x = 53,078,510.25
  5. Step 5: Solve for x
    x = 53,078,510.25/5,580
  6. Step 6: Final answer
    x = 9,512.28

Related Problems

Find third proportional to 2,790 and 3,642.75
Half scale
Find third proportional to 11,160 and 14,571
Double scale
Find third proportional to 5,582 and 7,288
Similar ratio
Find third proportional to 8,370 and 10,928.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.