Home / 201,640-434,778

Finding the Third Proportional to 201,640 and 434,778

Calculator

Solution

The third proportional to 201,640 and 434,778 is: 937,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,640 : 434,778 = 434,778 : x
  2. Step 2: Convert to fraction form
    201,640/434,778 = 434,778/x
  3. Step 3: Cross multiply
    201,640x = 434,778 × 434,778
  4. Step 4: Simplify right side
    201,640x = 189,031,909,284
  5. Step 5: Solve for x
    x = 189,031,909,284/201,640
  6. Step 6: Final answer
    x = 937,472.27

Related Problems

Find third proportional to 100,820 and 217,389
Half scale
Find third proportional to 403,280 and 869,556
Double scale
Find third proportional to 201,642 and 434,782
Similar ratio
Find third proportional to 302,460 and 652,167
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.