Home / 450,180-686,705.25

Finding the Third Proportional to 450,180 and 686,705.25

Calculator

Solution

The third proportional to 450,180 and 686,705.25 is: 1,047,501.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,180 : 686,705.25 = 686,705.25 : x
  2. Step 2: Convert to fraction form
    450,180/686,705.25 = 686,705.25/x
  3. Step 3: Cross multiply
    450,180x = 686,705.25 × 686,705.25
  4. Step 4: Simplify right side
    450,180x = 471,564,100,377.56
  5. Step 5: Solve for x
    x = 471,564,100,377.56/450,180
  6. Step 6: Final answer
    x = 1,047,501.22

Related Problems

Find third proportional to 225,090 and 343,352.63
Half scale
Find third proportional to 900,360 and 1,373,410.50
Double scale
Find third proportional to 450,182 and 686,708
Similar ratio
Find third proportional to 675,270 and 1,030,057.88
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.