Home / 173,118-258,985

Finding the Third Proportional to 173,118 and 258,985

Calculator

Solution

The third proportional to 173,118 and 258,985 is: 387,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,118 : 258,985 = 258,985 : x
  2. Step 2: Convert to fraction form
    173,118/258,985 = 258,985/x
  3. Step 3: Cross multiply
    173,118x = 258,985 × 258,985
  4. Step 4: Simplify right side
    173,118x = 67,073,230,225
  5. Step 5: Solve for x
    x = 67,073,230,225/173,118
  6. Step 6: Final answer
    x = 387,442.27

Related Problems

Find third proportional to 86,559 and 129,492.50
Half scale
Find third proportional to 346,236 and 517,970
Double scale
Find third proportional to 173,120 and 258,988
Similar ratio
Find third proportional to 259,677 and 388,477.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.