Home / 77,640-165,448

Finding the Third Proportional to 77,640 and 165,448

Calculator

Solution

The third proportional to 77,640 and 165,448 is: 352,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,640 : 165,448 = 165,448 : x
  2. Step 2: Convert to fraction form
    77,640/165,448 = 165,448/x
  3. Step 3: Cross multiply
    77,640x = 165,448 × 165,448
  4. Step 4: Simplify right side
    77,640x = 27,373,040,704
  5. Step 5: Solve for x
    x = 27,373,040,704/77,640
  6. Step 6: Final answer
    x = 352,563.64

Related Problems

Find third proportional to 38,820 and 82,724
Half scale
Find third proportional to 155,280 and 330,896
Double scale
Find third proportional to 77,642 and 165,452
Similar ratio
Find third proportional to 116,460 and 248,172
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.