Home / 80,460-176,985

Finding the Third Proportional to 80,460 and 176,985

Calculator

Solution

The third proportional to 80,460 and 176,985 is: 389,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,460 : 176,985 = 176,985 : x
  2. Step 2: Convert to fraction form
    80,460/176,985 = 176,985/x
  3. Step 3: Cross multiply
    80,460x = 176,985 × 176,985
  4. Step 4: Simplify right side
    80,460x = 31,323,690,225
  5. Step 5: Solve for x
    x = 31,323,690,225/80,460
  6. Step 6: Final answer
    x = 389,307.61

Related Problems

Find third proportional to 40,230 and 88,492.50
Half scale
Find third proportional to 160,920 and 353,970
Double scale
Find third proportional to 80,462 and 176,989
Similar ratio
Find third proportional to 120,690 and 265,477.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.