Home / 137,369-285,261

Finding the Third Proportional to 137,369 and 285,261

Calculator

Solution

The third proportional to 137,369 and 285,261 is: 592,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,369 : 285,261 = 285,261 : x
  2. Step 2: Convert to fraction form
    137,369/285,261 = 285,261/x
  3. Step 3: Cross multiply
    137,369x = 285,261 × 285,261
  4. Step 4: Simplify right side
    137,369x = 81,373,838,121
  5. Step 5: Solve for x
    x = 81,373,838,121/137,369
  6. Step 6: Final answer
    x = 592,374.10

Related Problems

Find third proportional to 68,684.50 and 142,630.50
Half scale
Find third proportional to 274,738 and 570,522
Double scale
Find third proportional to 137,371 and 285,265
Similar ratio
Find third proportional to 206,053.50 and 427,891.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.