Home / 286,896-442,685

Finding the Third Proportional to 286,896 and 442,685

Calculator

Solution

The third proportional to 286,896 and 442,685 is: 683,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,896 : 442,685 = 442,685 : x
  2. Step 2: Convert to fraction form
    286,896/442,685 = 442,685/x
  3. Step 3: Cross multiply
    286,896x = 442,685 × 442,685
  4. Step 4: Simplify right side
    286,896x = 195,970,009,225
  5. Step 5: Solve for x
    x = 195,970,009,225/286,896
  6. Step 6: Final answer
    x = 683,069.86

Related Problems

Find third proportional to 143,448 and 221,342.50
Half scale
Find third proportional to 573,792 and 885,370
Double scale
Find third proportional to 286,898 and 442,688
Similar ratio
Find third proportional to 430,344 and 664,027.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.