Home / 68,792-102,872

Finding the Third Proportional to 68,792 and 102,872

Calculator

Solution

The third proportional to 68,792 and 102,872 is: 153,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,792 : 102,872 = 102,872 : x
  2. Step 2: Convert to fraction form
    68,792/102,872 = 102,872/x
  3. Step 3: Cross multiply
    68,792x = 102,872 × 102,872
  4. Step 4: Simplify right side
    68,792x = 10,582,648,384
  5. Step 5: Solve for x
    x = 10,582,648,384/68,792
  6. Step 6: Final answer
    x = 153,835.45

Related Problems

Find third proportional to 34,396 and 51,436
Half scale
Find third proportional to 137,584 and 205,744
Double scale
Find third proportional to 68,794 and 102,875
Similar ratio
Find third proportional to 103,188 and 154,308
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.