Home / 147,504-318,240

Finding the Third Proportional to 147,504 and 318,240

Calculator

Solution

The third proportional to 147,504 and 318,240 is: 686,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,504 : 318,240 = 318,240 : x
  2. Step 2: Convert to fraction form
    147,504/318,240 = 318,240/x
  3. Step 3: Cross multiply
    147,504x = 318,240 × 318,240
  4. Step 4: Simplify right side
    147,504x = 101,276,697,600
  5. Step 5: Solve for x
    x = 101,276,697,600/147,504
  6. Step 6: Final answer
    x = 686,603.06

Related Problems

Find third proportional to 73,752 and 159,120
Half scale
Find third proportional to 295,008 and 636,480
Double scale
Find third proportional to 147,506 and 318,244
Similar ratio
Find third proportional to 221,256 and 477,360
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.