Home / 68,312-105,291

Finding the Third Proportional to 68,312 and 105,291

Calculator

Solution

The third proportional to 68,312 and 105,291 is: 162,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,312 : 105,291 = 105,291 : x
  2. Step 2: Convert to fraction form
    68,312/105,291 = 105,291/x
  3. Step 3: Cross multiply
    68,312x = 105,291 × 105,291
  4. Step 4: Simplify right side
    68,312x = 11,086,194,681
  5. Step 5: Solve for x
    x = 11,086,194,681/68,312
  6. Step 6: Final answer
    x = 162,287.66

Related Problems

Find third proportional to 34,156 and 52,645.50
Half scale
Find third proportional to 136,624 and 210,582
Double scale
Find third proportional to 68,314 and 105,294
Similar ratio
Find third proportional to 102,468 and 157,936.50
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.