Home / 76,687-118,451

Finding the Third Proportional to 76,687 and 118,451

Calculator

Solution

The third proportional to 76,687 and 118,451 is: 182,959.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,687 : 118,451 = 118,451 : x
  2. Step 2: Convert to fraction form
    76,687/118,451 = 118,451/x
  3. Step 3: Cross multiply
    76,687x = 118,451 × 118,451
  4. Step 4: Simplify right side
    76,687x = 14,030,639,401
  5. Step 5: Solve for x
    x = 14,030,639,401/76,687
  6. Step 6: Final answer
    x = 182,959.82

Related Problems

Find third proportional to 38,343.50 and 59,225.50
Half scale
Find third proportional to 153,374 and 236,902
Double scale
Find third proportional to 76,689 and 118,454
Similar ratio
Find third proportional to 115,030.50 and 177,676.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.