Home / 284,776-415,918

Finding the Third Proportional to 284,776 and 415,918

Calculator

Solution

The third proportional to 284,776 and 415,918 is: 607,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,776 : 415,918 = 415,918 : x
  2. Step 2: Convert to fraction form
    284,776/415,918 = 415,918/x
  3. Step 3: Cross multiply
    284,776x = 415,918 × 415,918
  4. Step 4: Simplify right side
    284,776x = 172,987,782,724
  5. Step 5: Solve for x
    x = 172,987,782,724/284,776
  6. Step 6: Final answer
    x = 607,452.11

Related Problems

Find third proportional to 142,388 and 207,959
Half scale
Find third proportional to 569,552 and 831,836
Double scale
Find third proportional to 284,778 and 415,921
Similar ratio
Find third proportional to 427,164 and 623,877
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.