Home / 450,200-686,735

Finding the Third Proportional to 450,200 and 686,735

Calculator

Solution

The third proportional to 450,200 and 686,735 is: 1,047,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,200 : 686,735 = 686,735 : x
  2. Step 2: Convert to fraction form
    450,200/686,735 = 686,735/x
  3. Step 3: Cross multiply
    450,200x = 686,735 × 686,735
  4. Step 4: Simplify right side
    450,200x = 471,604,960,225
  5. Step 5: Solve for x
    x = 471,604,960,225/450,200
  6. Step 6: Final answer
    x = 1,047,545.45

Related Problems

Find third proportional to 225,100 and 343,367.50
Half scale
Find third proportional to 900,400 and 1,373,470
Double scale
Find third proportional to 450,202 and 686,738
Similar ratio
Find third proportional to 675,300 and 1,030,102.50
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.