Home / 286,709-607,600

Finding the Third Proportional to 286,709 and 607,600

Calculator

Solution

The third proportional to 286,709 and 607,600 is: 1,287,639.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,709 : 607,600 = 607,600 : x
  2. Step 2: Convert to fraction form
    286,709/607,600 = 607,600/x
  3. Step 3: Cross multiply
    286,709x = 607,600 × 607,600
  4. Step 4: Simplify right side
    286,709x = 369,177,760,000
  5. Step 5: Solve for x
    x = 369,177,760,000/286,709
  6. Step 6: Final answer
    x = 1,287,639.24

Related Problems

Find third proportional to 143,354.50 and 303,800
Half scale
Find third proportional to 573,418 and 1,215,200
Double scale
Find third proportional to 286,711 and 607,604
Similar ratio
Find third proportional to 430,063.50 and 911,400
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.