Home / 444,400-688,200

Finding the Third Proportional to 444,400 and 688,200

Calculator

Solution

The third proportional to 444,400 and 688,200 is: 1,065,749.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,400 : 688,200 = 688,200 : x
  2. Step 2: Convert to fraction form
    444,400/688,200 = 688,200/x
  3. Step 3: Cross multiply
    444,400x = 688,200 × 688,200
  4. Step 4: Simplify right side
    444,400x = 473,619,240,000
  5. Step 5: Solve for x
    x = 473,619,240,000/444,400
  6. Step 6: Final answer
    x = 1,065,749.86

Related Problems

Find third proportional to 222,200 and 344,100
Half scale
Find third proportional to 888,800 and 1,376,400
Double scale
Find third proportional to 444,402 and 688,203
Similar ratio
Find third proportional to 666,600 and 1,032,300
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.