Home / 155,284-345,564

Finding the Third Proportional to 155,284 and 345,564

Calculator

Solution

The third proportional to 155,284 and 345,564 is: 769,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,284 : 345,564 = 345,564 : x
  2. Step 2: Convert to fraction form
    155,284/345,564 = 345,564/x
  3. Step 3: Cross multiply
    155,284x = 345,564 × 345,564
  4. Step 4: Simplify right side
    155,284x = 119,414,478,096
  5. Step 5: Solve for x
    x = 119,414,478,096/155,284
  6. Step 6: Final answer
    x = 769,006.97

Related Problems

Find third proportional to 77,642 and 172,782
Half scale
Find third proportional to 310,568 and 691,128
Double scale
Find third proportional to 155,286 and 345,568
Similar ratio
Find third proportional to 232,926 and 518,346
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.