Home / 287,189-626,600

Finding the Third Proportional to 287,189 and 626,600

Calculator

Solution

The third proportional to 287,189 and 626,600 is: 1,367,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,189 : 626,600 = 626,600 : x
  2. Step 2: Convert to fraction form
    287,189/626,600 = 626,600/x
  3. Step 3: Cross multiply
    287,189x = 626,600 × 626,600
  4. Step 4: Simplify right side
    287,189x = 392,627,560,000
  5. Step 5: Solve for x
    x = 392,627,560,000/287,189
  6. Step 6: Final answer
    x = 1,367,139.97

Related Problems

Find third proportional to 143,594.50 and 313,300
Half scale
Find third proportional to 574,378 and 1,253,200
Double scale
Find third proportional to 287,191 and 626,604
Similar ratio
Find third proportional to 430,783.50 and 939,900
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.