Home / 201,280-434,090

Finding the Third Proportional to 201,280 and 434,090

Calculator

Solution

The third proportional to 201,280 and 434,090 is: 936,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,280 : 434,090 = 434,090 : x
  2. Step 2: Convert to fraction form
    201,280/434,090 = 434,090/x
  3. Step 3: Cross multiply
    201,280x = 434,090 × 434,090
  4. Step 4: Simplify right side
    201,280x = 188,434,128,100
  5. Step 5: Solve for x
    x = 188,434,128,100/201,280
  6. Step 6: Final answer
    x = 936,179.09

Related Problems

Find third proportional to 100,640 and 217,045
Half scale
Find third proportional to 402,560 and 868,180
Double scale
Find third proportional to 201,282 and 434,094
Similar ratio
Find third proportional to 301,920 and 651,135
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.