Home / 147,206-317,738

Finding the Third Proportional to 147,206 and 317,738

Calculator

Solution

The third proportional to 147,206 and 317,738 is: 685,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,206 : 317,738 = 317,738 : x
  2. Step 2: Convert to fraction form
    147,206/317,738 = 317,738/x
  3. Step 3: Cross multiply
    147,206x = 317,738 × 317,738
  4. Step 4: Simplify right side
    147,206x = 100,957,436,644
  5. Step 5: Solve for x
    x = 100,957,436,644/147,206
  6. Step 6: Final answer
    x = 685,824.20

Related Problems

Find third proportional to 73,603 and 158,869
Half scale
Find third proportional to 294,412 and 635,476
Double scale
Find third proportional to 147,208 and 317,742
Similar ratio
Find third proportional to 220,809 and 476,607
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.