Home / 972.50-1,489.25

Finding the Third Proportional to 972.50 and 1,489.25

Calculator

Solution

The third proportional to 972.50 and 1,489.25 is: 2,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    972.50 : 1,489.25 = 1,489.25 : x
  2. Step 2: Convert to fraction form
    972.50/1,489.25 = 1,489.25/x
  3. Step 3: Cross multiply
    972.50x = 1,489.25 × 1,489.25
  4. Step 4: Simplify right side
    972.50x = 2,217,865.56
  5. Step 5: Solve for x
    x = 2,217,865.56/972.50
  6. Step 6: Final answer
    x = 2,280.58

Related Problems

Find third proportional to 486.25 and 744.63
Half scale
Find third proportional to 1,945 and 2,978.50
Double scale
Find third proportional to 975 and 1,492
Similar ratio
Find third proportional to 1,458.75 and 2,233.88
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.