Home / 157,985-242,257

Finding the Third Proportional to 157,985 and 242,257

Calculator

Solution

The third proportional to 157,985 and 242,257 is: 371,481.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,985 : 242,257 = 242,257 : x
  2. Step 2: Convert to fraction form
    157,985/242,257 = 242,257/x
  3. Step 3: Cross multiply
    157,985x = 242,257 × 242,257
  4. Step 4: Simplify right side
    157,985x = 58,688,454,049
  5. Step 5: Solve for x
    x = 58,688,454,049/157,985
  6. Step 6: Final answer
    x = 371,481.18

Related Problems

Find third proportional to 78,992.50 and 121,128.50
Half scale
Find third proportional to 315,970 and 484,514
Double scale
Find third proportional to 157,987 and 242,260
Similar ratio
Find third proportional to 236,977.50 and 363,385.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.