Home / 131,552-285,280

Finding the Third Proportional to 131,552 and 285,280

Calculator

Solution

The third proportional to 131,552 and 285,280 is: 618,650.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,552 : 285,280 = 285,280 : x
  2. Step 2: Convert to fraction form
    131,552/285,280 = 285,280/x
  3. Step 3: Cross multiply
    131,552x = 285,280 × 285,280
  4. Step 4: Simplify right side
    131,552x = 81,384,678,400
  5. Step 5: Solve for x
    x = 81,384,678,400/131,552
  6. Step 6: Final answer
    x = 618,650.26

Related Problems

Find third proportional to 65,776 and 142,640
Half scale
Find third proportional to 263,104 and 570,560
Double scale
Find third proportional to 131,554 and 285,284
Similar ratio
Find third proportional to 197,328 and 427,920
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.